Gaya APA
Lovelock, C, H. (1988).
Managing Services (Marketing, Operations and Human Resourches) (Prentice Hall International).
The USA:
.
Gaya MLA
Lovelock, Christopher, H..
"Managing Services (Marketing, Operations and Human Resourches)".
Prentice Hall International
The USA:
,
1988.
Buku.