Gaya APA
Payne, Sheila. (1999).
Groiler Business Library : Delivering costumer service .
Hongkong:
Grolier International.
Gaya Chicago
Payne, Sheila.
Groiler Business Library : Delivering costumer service.
Hongkong:
Grolier International,
1999.
Text.
Gaya MLA
Payne, Sheila.
Groiler Business Library : Delivering costumer service.
Hongkong:
Grolier International,
1999.
Text.
Gaya Turabian
Payne, Sheila.
Groiler Business Library : Delivering costumer service.
Hongkong:
Grolier International,
1999.
Print.