Cita APA (7a ed.)
O'Connor, W. E. (2001). An introduction to airline economics (6th ed.). Praeger.
Cita Chicago Style (17a ed.)
O'Connor, William E. An Introduction to Airline Economics. 6th ed. Westport, Conn.: Praeger, 2001.
Cita MLA (9a ed.)
O'Connor, William E. An Introduction to Airline Economics. 6th ed. Praeger, 2001.
Precaución: Estas citas no son 100% exactas.