Citace podle APA (7th ed.)
Newell, F. Loyalty.com: Customer Relationship Management in the New Era of Internet Marketing. McGraw-Hill.
Citace podle Chicago (17th ed.)
Newell, Frederick. Loyalty.com: Customer Relationship Management in the New Era of Internet Marketing. Nueva York, EUA: McGraw-Hill.
Citace podle MLA (9th ed.)
Newell, Frederick. Loyalty.com: Customer Relationship Management in the New Era of Internet Marketing. McGraw-Hill.
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