APA aipamena

Freemantle, D. (1993). Incredible customer service: The final test. London: McGraw-Hill.

Chicago Style aipamena

Freemantle, David. Incredible Customer Service: The Final Test. London: McGraw-Hill, 1993.

MLA aipamena

Freemantle, David. Incredible Customer Service: The Final Test. London: McGraw-Hill, 1993.

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