Ehlers, P. N. (1988). Computerized reservations systems in the air transport industry: How to optimize the passenger's benefits. Kluwer Law and Taxations Publ.
Chicago-Zitierstil (17. Ausg.)Ehlers, P. N. Computerized Reservations Systems in the Air Transport Industry: How to Optimize the Passenger's Benefits. Deventer u.a: Kluwer Law and Taxations Publ, 1988.
MLA-Zitierstil (9. Ausg.)Ehlers, P. N. Computerized Reservations Systems in the Air Transport Industry: How to Optimize the Passenger's Benefits. Kluwer Law and Taxations Publ, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.