Geyer-McAllister (Nowy Jork). (1923). Shipping Digest: Airshipping. International airline service. Geyer-McAllister.
Style de citation Chicago (17e éd.)Geyer-McAllister (Nowy Jork). Shipping Digest: Airshipping. International Airline Service. Nowy York: Geyer-McAllister, 1923.
Style de citation MLA (9e éd.)Geyer-McAllister (Nowy Jork). Shipping Digest: Airshipping. International Airline Service. Geyer-McAllister, 1923.
Attention : ces citations peuvent ne pas être correctes à 100%.