Παραπομπή APA

Berg, L. S. (1965). Freshwater fishes of the USSR and adjacent countries / 4th ed: V3 (4th ed.). IPST.

Παραπομπή Chicago Style

Berg, Leo S. Freshwater Fishes of the USSR and Adjacent Countries / 4th Ed: V3. 4th ed. Jerusalem: IPST, 1965.

Παραπομπή MLA

Berg, Leo S. Freshwater Fishes of the USSR and Adjacent Countries / 4th Ed: V3. 4th ed. IPST, 1965.