Gaya APA
PRAMONO, P, R.
(2006).
5 Giant Steps To Successful Business Writing
(
1)
.
Yogyakarta:
Andi.
Gaya MLA
PRAMONO, PENI, R..
"5 Giant Steps To Successful Business Writing".
1
Yogyakarta:
Andi,
2006.
Text.