Gaya APA
Peni.R.Pramono, .
(2006).
30 Menit Essay Writing. Writing Is Easy
.
Yogyakarta:
Andi Offset.
Gaya MLA
Peni.R.Pramono, .
"30 Menit Essay Writing. Writing Is Easy".
Yogyakarta:
Andi Offset,
2006.
Text.