Citace podle APA

Greenberg, P., & Paul Greenberg. CRM at the speed of light: Essential customer strategies for the 21st century. New York: McGraw-Hill/Osborne.

Styl Chicago

Greenberg, Paul, a Paul Greenberg. CRM At the Speed of Light: Essential Customer Strategies for the 21st Century. New York: McGraw-Hill/Osborne.

Citace podle MLA

Greenberg, Paul, a Paul Greenberg. CRM At the Speed of Light: Essential Customer Strategies for the 21st Century. New York: McGraw-Hill/Osborne.

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