Gaya APA
Pramono, P, R., Sulistyo, U.
(2007).
5 Giant To Successfull Business Writing
(
ed. 1)
.
Yogyakarta:
Andi.
Gaya MLA
Pramono, Peni, R.., Sulistyo, Ule.
"5 Giant To Successfull Business Writing".
ed. 1
Yogyakarta:
Andi,
2007.
Text.