APA aipamena

Fox,Richard M. (1972). Introduction to American civilization. Higgin Bothams.

Chicago Style aipamena

Fox,Richard M. Introduction to American Civilization. Trivandrum: Higgin Bothams, 1972.

MLA aipamena

Fox,Richard M. Introduction to American Civilization. Higgin Bothams, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.