Παραπομπή APA

Yurgenson, P. B. (1956). Studies of mammals in government preserves. Ministry of agriculture ot the USSR.

Παραπομπή Chicago Style

Yurgenson, P B. Studies of Mammals in Government Preserves. Moscow: Ministry of agriculture ot the USSR, 1956.

Παραπομπή MLA

Yurgenson, P B. Studies of Mammals in Government Preserves. Ministry of agriculture ot the USSR, 1956.