APA Style
Udoyono, B. (2012).
ENGLISH CONVERSATION FOR CUSTOMER SERVICE AND SALES PROMOTION STAFF (Ed. 1).
Yogyakarta:
Andi Offset.
MLA Style
Udoyono, Bambang.
"ENGLISH CONVERSATION FOR CUSTOMER SERVICE AND SALES PROMOTION STAFF".
Ed. 1
Yogyakarta:
Andi Offset,
2012.
Text.