Cita APA (7th ed.)

Davidoff, P. (1987). Air fares and ticketing (Rev. and expanded ed.). National Publishers.

Cita Chicago (17th ed.)

Davidoff, Philip. Air Fares and Ticketing. Rev. and expanded ed. Elmsford, N.Y: National Publishers, 1987.

Cita MLA (9th ed.)

Davidoff, Philip. Air Fares and Ticketing. Rev. and expanded ed. National Publishers, 1987.