एपीए उद्धरण

Harman, D. (2001). Thinkwell's chemistry. New York: Thinkwell.

शिकागो स्टाइल उद्धरण

Harman, Dean. Thinkwell's Chemistry. New York: Thinkwell, 2001.

एमएलए उद्धरण

Harman, Dean. Thinkwell's Chemistry. New York: Thinkwell, 2001.