Gaya APA
Lovelock, Christopher H.. (1991).
Services marketing 2nd ed. (2).
America:
Prentice-Hall.
Gaya Chicago
Lovelock, Christopher H..
Services marketing 2nd ed..
2
America:
Prentice-Hall,
1991.
Text.
Gaya MLA
Lovelock, Christopher H..
Services marketing 2nd ed..
2
America:
Prentice-Hall,
1991.
Text.
Gaya Turabian
Lovelock, Christopher H..
Services marketing 2nd ed..
2
America:
Prentice-Hall,
1991.
Print.