Allen, P. (2006). Service orientation: Winning strategies and best practices. Cambridge University Press.
Chicago Style (17. basım) AtıfAllen, Paul. Service Orientation: Winning Strategies and Best Practices. Cambridge: Cambridge University Press, 2006.
MLA (8th ed.) AtıfAllen, Paul. Service Orientation: Winning Strategies and Best Practices. Cambridge University Press, 2006.
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