APA aipamena

(2003). Outline of the U.S. Economy. USA: United states Information Agency.

Chicago Style aipamena

Outline of the U.S. Economy. USA: United states Information Agency, 2003.

MLA aipamena

Outline of the U.S. Economy. USA: United states Information Agency, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.