APA (7 वां संस्करण) प्रशस्ति पत्र
Gourdin, K. N. (2016). A profile of the global airline industry (First edition.). Business Expert Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
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.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Gourdin, Kent N. A Profile of the Global Airline Industry. First edition. Business Expert Press, 2016.
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