Gaya APA

Whitted, G, W. (1964). New horizons world guide: Pan American's travel facts about 109 countries / Gerald W. Whitted . : Pan American Airways.

Gaya MLA

Whitted, Gerald, W.. "New horizons world guide: Pan American's travel facts about 109 countries / Gerald W. Whitted". : Pan American Airways, 1964. S2-Ekonomi Syariah.