APA aipamena

(2008). Annual Editions: Developing World 08/09. Boston: McGraw-Hill.

Chicago Style aipamena

Annual Editions: Developing World 08/09. Boston: McGraw-Hill, 2008.

MLA aipamena

Annual Editions: Developing World 08/09. Boston: McGraw-Hill, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.