Asimakopoulos, B. 1995. On the geographical distribution of the Greek frog Rana gracea in Greek. Annales Musei Goulandris 9(0): 337-348.
Baloutch, M. & Kami, H. G. 1994. Amphibians of Iran. Tehran University press, Iran (In Persian).
Blaustein A. R. & Wake, D. B. 1990. Declining Amphibian Population a global phenomenon Trends in Ecology and Evolution 5: 203-204.
Cho, H. 1994. The guidance of collecting and studying insects. Translated by Hojat M., Tehran University press, pp: 145.
Duellman, W. E. 1994. Biology of Amphibians. Co. New York.
Esmaieli, M., Mirkarimi, A. & Azmayeshfard, P. 1995. Agricultural Entomology. Tehran University press. (In Persian).
Fakharzadeh, F. 2003. Biosystematical study of anuras in north and east north of Khorasan. M.Sc. thesis, University of Ferdowsi, Mashhad, Iran (In Persian).
Hodjat, H. 1996. Insects, Amir kabir Press. (In Persian).
Labanick, G. M. 1976. Prey availability, consumption and selection in the Cricket frog, Acres crepitans (Amphibia, Anura, Hylidae). Journal of Herpetology 10: 293-298.
Molavi, F. 2000. Systematic of Frogs in Iran (Anura: Ranidae ). M.Sc. thesis, University of Shahid Beheshti, Tehran, Iran (In Persian).
Molavi, F., Gohari, M. Pashaee-Rad, Sh., Kami, H. & Yazdanpanahi M. 2011a. The role of Rana ridibunda (Paludal frogs) in food chain, northern provineces of Iran. International Congress on Applied Biology. 2 Sepr. 2011. Mashhad, Iran.
Molavi, F., Gohari, M., Pashaee Rad, Sh., Kami, H. & Yazdanpanahi, M. 2011b. Faunistic study of frogs in Iran (Anura: Ranidae). International Congress on Applied Biology, 2 Sept., Mashhad, Iran.
Molavi, F., Ghanbarifardi, M., Mohammadian-kalat, T., Haddadian, H., Barani-Beiranvand, H., & Aliabadian, M. 2013. Surveying effective factors on the distributional patterns of Genus Rana (Anura: Ranidae) using SAM (Spatial Analysis in Macro Ecology) software in Iran. Animal Biology, 10: 59-73 (In Persian).
Nikolski, A. M. 1918. Fauna of Russia and adjacent Countries. Translated from Russian by the Israel program for scientific Translation, Petrograd.
)