एपीए उद्धरण

Robert J. Brooker. (2008). Biology. Boston: McGraw-Hill Higher Education.

शिकागो स्टाइल उद्धरण

Robert J. Brooker. Biology. Boston: McGraw-Hill Higher Education, 2008.

एमएलए उद्धरण

Robert J. Brooker. Biology. Boston: McGraw-Hill Higher Education, 2008.