एपीए उद्धरण

Enger, E. D. (2005). Concepts in biology. New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Enger, Eldon D. Concepts in Biology. New York: McGraw-Hill, 2005.

एमएलए उद्धरण

Enger, Eldon D. Concepts in Biology. New York: McGraw-Hill, 2005.