Não informado. (1969). Airline management and marketing including american aviation. Ziff-Davis Aviation Division.
Style de citation Chicago (17e éd.)Não informado. Airline Management and Marketing Including American Aviation. Washington: Ziff-Davis Aviation Division, 1969.
Style de citation MLA (8e éd.)Não informado. Airline Management and Marketing Including American Aviation. Ziff-Davis Aviation Division, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.