Gaya APA
Lovelock, C., Jochen, W. (2011).
Service marketing : People, technology, strategy (ke tujuh).
New Jersey:
Prentice Hall.
Gaya MLA
Lovelock, Christopher., Jochen, Wirtz.
"Service marketing : People, technology, strategy".
ke tujuh
New Jersey:
Prentice Hall,
2011.
Text.