APA ציטוט
ebrary, Inc, O'Connell, J. F., & Williams, G. (2011). Air transport in the 21st century: Key strategic developments. Ashgate.
Chicago Style (17th ed.) Citation
ebrary, Inc, John F. O'Connell, and George Williams. Air Transport in the 21st Century: Key Strategic Developments. Farnham, England ; Burlington, Vt.: Ashgate, 2011.
ציטוט MLA
ebrary, Inc, et al. Air Transport in the 21st Century: Key Strategic Developments. Ashgate, 2011.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.