Kaplan, S. (2008). Bag the Elephant: How to win & keep big customers. The Free Press.
Chicago-čujuhus (17. p.)Kaplan, Steve. Bag the Elephant: How to Win & Keep Big Customers. New York: The Free Press, 2008.
MLA-čujuhus (9. p.)Kaplan, Steve. Bag the Elephant: How to Win & Keep Big Customers. The Free Press, 2008.
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