APA aipamena

Gareis, S. B. (2005). United Nations: An introduction. Palgrave macmillan.

Chicago Style aipamena

Gareis, Sven Bernhard. United Nations: An Introduction. New York: Palgrave macmillan, 2005.

MLA aipamena

Gareis, Sven Bernhard. United Nations: An Introduction. Palgrave macmillan, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.