Gaya APA
Azhar, A. (2011).
Step by Step: Readings in English For IAIN Students (Ed. 1.- Cet. VII).
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Azhar, Arsyad.
"Step by Step: Readings in English For IAIN Students".
Ed. 1.- Cet. VII
Yogyakarta:
Pustaka Pelajar,
2011.
Text.