APA引文

D Gaudry. (1990). Development in biological standardization: Progress in animal retrouviruses. Barel: Karger.

Trích dẫn kiểu Chicago

D Gaudry. Development in Biological Standardization: Progress in Animal Retrouviruses. Barel: Karger, 1990.

MLA引文

D Gaudry. Development in Biological Standardization: Progress in Animal Retrouviruses. Barel: Karger, 1990.

警告：這些引文格式不一定是100％准確.