APA aipamena

(2002). Countries of the world and their leaders yearbook, 2003. Gale Group.

Chicago Style aipamena

Countries of the World and Their Leaders Yearbook, 2003. Farmington Hills, Mich: Gale Group, 2002.

MLA aipamena

Countries of the World and Their Leaders Yearbook, 2003. Gale Group, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.