APA-viite (7. p.)
Gourdin, K. N. (2016). A profile of the global airline industry (First edition.). Business Expert Press.
Chicago-viite (17. p.)
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-viite (9. p.)
Gourdin, Kent N. A Profile of the Global Airline Industry. First edition. Business Expert Press, 2016.
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