APA aipamena

WHITTED, G. W. (1965). New horizons: World guide. Pan American world Airways.

Chicago Style aipamena

WHITTED, Gerald W. New Horizons: World Guide. New York: Pan American world Airways, 1965.

MLA aipamena

WHITTED, Gerald W. New Horizons: World Guide. Pan American world Airways, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.