Não informado. (1969). Airline management and marketing including american aviation. Ziff-Davis Aviation Division.
Citace podle Chicago (17th ed.)Não informado. Airline Management and Marketing Including American Aviation. Washington: Ziff-Davis Aviation Division, 1969.
Citace podle MLA (8th ed.)Não informado. Airline Management and Marketing Including American Aviation. Ziff-Davis Aviation Division, 1969.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..