APA aipamena

Paul W O'callaghan. (1996). Integrated environmental management handbook. john Wiley & sons.

Chicago Style aipamena

Paul W O'callaghan. Integrated Environmental Management Handbook. New York: john Wiley & sons, 1996.

MLA aipamena

Paul W O'callaghan. Integrated Environmental Management Handbook. john Wiley & sons, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.