APA (7e ed.) Bronvermelding
ebrary, Inc, O'Connell, J. F., & Williams, G. (2011). Air transport in the 21st century: Key strategic developments. Ashgate.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, John F. O'Connell, en George Williams. Air Transport in the 21st Century: Key Strategic Developments. Farnham, England ; Burlington, Vt.: Ashgate, 2011.
MLA (9e ed.) Bronvermelding
ebrary, Inc, et al. Air Transport in the 21st Century: Key Strategic Developments. Ashgate, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.