एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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