APA aipamena

Johnson, G. B. (2006). The living world. Boston, MA: McGraw-Hill.

Chicago Style aipamena

Johnson, George Brooks. The Living World. Boston, MA: McGraw-Hill, 2006.

MLA aipamena

Johnson, George Brooks. The Living World. Boston, MA: McGraw-Hill, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.