Gaya APA
Pramono, P, R.
(2009).
30 Menit Essay Writing Is EASY
(
2)
.
Yogyakarta:
Andi.
Gaya MLA
Pramono, Peni, R.
"30 Menit Essay Writing Is EASY".
2
Yogyakarta:
Andi,
2009.
Text.