Não informado. (1969). Airline management and marketing including american aviation. Ziff-Davis Aviation Division.
Cita Chicago Style (17a ed.)Não informado. Airline Management and Marketing Including American Aviation. Washington: Ziff-Davis Aviation Division, 1969.
Cita MLA (8a ed.)Não informado. Airline Management and Marketing Including American Aviation. Ziff-Davis Aviation Division, 1969.
Precaución: Estas citas no son 100% exactas.