Gaya APA
Baehaqi, I.
(2011).
Practical english grammar/Imam Baehaqi
.
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Baehaqi, Imam.
"Practical english grammar/Imam Baehaqi".
Yogyakarta:
Pustaka Pelajar,
2011.
Text.