Παραπομπή APA

Ognev, S. I. Mammals of Eastern Europe and Northern Asia ( 7 Vols ): : V1. Insectivora and chiroptera.

Παραπομπή Chicago Style

Ognev, S I. Mammals of Eastern Europe and Northern Asia ( 7 Vols ): : V1. Insectivora and Chiroptera.

Παραπομπή MLA

Ognev, S I. Mammals of Eastern Europe and Northern Asia ( 7 Vols ): : V1. Insectivora and Chiroptera.