Gaya APA
LUCAS, Robert W.. (2005).
Customer Service .
:
.
Gaya Chicago
LUCAS, Robert W..
Customer Service.
:
,
2005.
Textbook.
Gaya MLA
LUCAS, Robert W..
Customer Service.
:
,
2005.
Textbook.
Gaya Turabian
LUCAS, Robert W..
Customer Service.
:
,
2005.
Textbook.