APA aipamena

Johnson, G. B. (2006). The living world. New York: McGraw-Hill Higher Education.

Chicago Style aipamena

Johnson, George B. The Living World. New York: McGraw-Hill Higher Education, 2006.

MLA aipamena

Johnson, George B. The Living World. New York: McGraw-Hill Higher Education, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.