APA aipamena

Enger, E. D. (2007). Concepts in biology. Boston: McGraw-Hill.

Chicago Style aipamena

Enger, Eldon D. Concepts in Biology. Boston: McGraw-Hill, 2007.

MLA aipamena

Enger, Eldon D. Concepts in Biology. Boston: McGraw-Hill, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.