APA引文

Grzimek, B. (1975). Grzimek's animal life encyclopedia, Vol.07: Birds1.

Chicago Edition Citation

Grzimek, Bernhard. Grzimek's Animal Life Encyclopedia, Vol.07: Birds1. Van Nostrand Reinhold Co., New York, 1975.

MLA引文

Grzimek, Bernhard. Grzimek's Animal Life Encyclopedia, Vol.07: Birds1. 1975.