Gaya APA
Mas'ud, F.
(2005).
Essentials of English grammar : a practical guide
(
Ed. 3)
.
Yogyakarta:
BPFE.
Gaya MLA
Mas'ud, Fuad.
"Essentials of English grammar : a practical guide".
Ed. 3
Yogyakarta:
BPFE,
2005.
Text.