APA aipamena

Enger, E. D. (1997). Environmental science: A study of interrelationships. Boston, Massachusetts: WCB/McGraw-Hill.

Chicago Style aipamena

Enger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, Massachusetts: WCB/McGraw-Hill, 1997.

MLA aipamena

Enger, Eldon D. Environmental Science: A Study of Interrelationships. Boston, Massachusetts: WCB/McGraw-Hill, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.