Joule,J.A. (2009). Heterocyclic chemistry,4th edn.
Chicago Style (17th ed.) CitationJoule,J.A. Heterocyclic Chemistry,4th Edn. Delhi, 2009.
MLA (9th ed.) CitationJoule,J.A. Heterocyclic Chemistry,4th Edn. 2009.
Warning: These citations may not always be 100% accurate.