Gaya APA
Mas'ud, F.
().
Essentials of English Grammar, A Practical Guide Edisi 2
.
:
BPFE, Yogyakarta.
Gaya MLA
Mas'ud, Fuad.
"Essentials of English Grammar, A Practical Guide Edisi 2".
:
BPFE, Yogyakarta,
.
Text.