Cita APA (7th ed.)

Ashford, N., & Wright, P. H. (1979). Airport engineering. John Wiley.

Cita Chicago (17th ed.)

Ashford, Norman, i Paul H. Wright. Airport Engineering. Nueva York: John Wiley, 1979.

Cita MLA (9th ed.)

Ashford, Norman, i Paul H. Wright. Airport Engineering. John Wiley, 1979.