एपीए उद्धरण

Harrison, R. M. (2006). introduction to pollution science. Royal Society of Chemistry.

शिकागो स्टाइल उद्धरण

Harrison, Roy M. Introduction to Pollution Science. Cambridge: Royal Society of Chemistry, 2006.

एमएलए उद्धरण

Harrison, Roy M. Introduction to Pollution Science. Royal Society of Chemistry, 2006.