Gaya APA
Davidow, William H., Bro Uttal. (1989).
Total Customer Service: The Ultimate Weapon .
New York:
HarperPerennial.
Gaya Chicago
Davidow, William H., Bro Uttal.
Total Customer Service: The Ultimate Weapon.
New York:
HarperPerennial,
1989.
Buku.
Gaya MLA
Davidow, William H., Bro Uttal.
Total Customer Service: The Ultimate Weapon.
New York:
HarperPerennial,
1989.
Buku.
Gaya Turabian
Davidow, William H., Bro Uttal.
Total Customer Service: The Ultimate Weapon.
New York:
HarperPerennial,
1989.
Buku.