APA aipamena

MORRIS, R. B. (1961). Encyclopedia American history. Harper and Brothers.

Chicago Style aipamena

MORRIS, Richard B. Encyclopedia American History. New York: Harper and Brothers, 1961.

MLA aipamena

MORRIS, Richard B. Encyclopedia American History. Harper and Brothers, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.