एपीए उद्धरण

Hanrahan, G. (2012). Key concepts in environmental chemistry. Elsevier.

शिकागो स्टाइल उद्धरण

Hanrahan, Grady. Key Concepts in Environmental Chemistry. Waltham: Elsevier, 2012.

एमएलए उद्धरण

Hanrahan, Grady. Key Concepts in Environmental Chemistry. Elsevier, 2012.