Cita APA (7a ed.)

Mason, K. J. (2001). Marketing low-cost airline services to busines travellers. [s.n.].

Cita Chicago Style (17a ed.)

Mason, Keith J. Marketing Low-cost Airline Services to Busines Travellers. [S.l.]: [s.n.], 2001.

Cita MLA (9a ed.)

Mason, Keith J. Marketing Low-cost Airline Services to Busines Travellers. [s.n.], 2001.