APA aipamena

(1990). An outline of American government. New York: United States Information Agency.

Chicago Style aipamena

An Outline of American Government. New York: United States Information Agency, 1990.

MLA aipamena

An Outline of American Government. New York: United States Information Agency, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.