APA aipamena

Lippmann, W. (1943). U.S. foreign policy: Shield of the republic. Boston: Little Brown.

Chicago Style aipamena

Lippmann, Walter. U.S. Foreign Policy: Shield of the Republic. Boston: Little Brown, 1943.

MLA aipamena

Lippmann, Walter. U.S. Foreign Policy: Shield of the Republic. Boston: Little Brown, 1943.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.