Gaya APA
Hasan, B. (2017).
Organizing Essay Writing for Academic Purposes : A Process Approach .
Yogyakarta:
Graha Ilmu.
Gaya MLA
Hasan, Basturi.
"Organizing Essay Writing for Academic Purposes : A Process Approach".
Yogyakarta:
Graha Ilmu,
2017.
Text.