APA-viite (7. p.)
ebrary, Inc, & Walsh, C. R. (2011). Airline industry: Strategies, operations and safety. Nova Science Publishers.
Chicago-viite (17. p.)
ebrary, Inc, ja Connor R. Walsh. Airline Industry: Strategies, Operations and Safety. New York: Nova Science Publishers, 2011.
MLA-viite (9. p.)
ebrary, Inc, ja Connor R. Walsh. Airline Industry: Strategies, Operations and Safety. Nova Science Publishers, 2011.
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