Παραπομπή APA

Nickel R & A Shummer. (1979). Viscera of the domestic mammals. Berlin.

Παραπομπή Chicago Style

Nickel R και A Shummer. Viscera of the Domestic Mammals. Berlin, 1979.

Παραπομπή MLA

Nickel R και A Shummer. Viscera of the Domestic Mammals. Berlin, 1979.