APA aipamena

Lewis, R. (1998). Life (3rd ed.). WCB/McGraw-Hill.

Chicago Style aipamena

Lewis, Ricki. Life. 3rd ed. Boston, Mass.: WCB/McGraw-Hill, 1998.

MLA aipamena

Lewis, Ricki. Life. 3rd ed. WCB/McGraw-Hill, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.