Gaya APA
Pramono, P, R.
(2007).
5 Giant Steps, To Succesful Business Writing
(
Cet. 1)
.
Yogyakarta:
Andi.
Gaya MLA
Pramono, Peni, R.
"5 Giant Steps, To Succesful Business Writing".
Cet. 1
Yogyakarta:
Andi,
2007.
BUKU TEKS.