Pan American World Airways, Inc. (1960). New horizons world guide: Pan Am's travel facts about 138 countries (Ninth revised edition.). Pan American World Airways.
Style de citation Chicago (17e éd.)Pan American World Airways, Inc. New Horizons World Guide: Pan Am's Travel Facts About 138 Countries. Ninth revised edition. Pan American World Airways, 1960.
Style de citation MLA (9e éd.)Pan American World Airways, Inc. New Horizons World Guide: Pan Am's Travel Facts About 138 Countries. Ninth revised edition. Pan American World Airways, 1960.
Attention : ces citations peuvent ne pas être correctes à 100%.