Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.