Penggayaan APA
ZEITHAML, Valarie A. (2013).
Services Marketing (6th.Ed.).
New York:
McGraw Hill.
Chicago Style
ZEITHAML, Valarie A.
Services Marketing.
6th.Ed.
New York:
McGraw Hill,
2013.
Buku.
MLA Style
ZEITHAML, Valarie A.
Services Marketing.
6th.Ed.
New York:
McGraw Hill,
2013.
Buku.
Turabian Style
ZEITHAML, Valarie A.
Services Marketing.
6th.Ed.
New York:
McGraw Hill,
2013.
Buku.