APA-viite (7. p.)
Magnini, V. P. (2015). Surprise!: The secret to customer loyalty in the service sector (First edition.). Business Expert Press.
Chicago-viite (17. p.)
Magnini, Vincent P. Surprise!: The Secret to Customer Loyalty in the Service Sector. First edition. New York, New York (222 East 46th Street, New York, NY 10017): Business Expert Press, 2015.
MLA-viite (9. p.)
Magnini, Vincent P. Surprise!: The Secret to Customer Loyalty in the Service Sector. First edition. Business Expert Press, 2015.
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