एपीए उद्धरण

Kalthoff, K. (2001). Analysis of biological development. Boston: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Kalthoff, Klaus. Analysis of Biological Development. Boston: McGraw-Hill, 2001.

एमएलए उद्धरण

Kalthoff, Klaus. Analysis of Biological Development. Boston: McGraw-Hill, 2001.