APA-referens (7:e uppl.)
Gourdin, K. N. (2016). A profile of the global airline industry (First edition.). Business Expert Press.
Chicago-referens (17:e uppl.)
Gourdin, Kent N. A Profile of the Global Airline Industry. First edition. New York, New York (222 East 46th Street, New York, NY 10017): Business Expert Press, 2016.
MLA-referens (9:e uppl.)
Gourdin, Kent N. A Profile of the Global Airline Industry. First edition. Business Expert Press, 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.