Gaya APA
Rosadi, A.
(1998).
Essentials of English grammar:a practical guide/Fuad Mas'ud
(
ed.2)
.
Jakarta:
BPFE.
Gaya MLA
Rosadi, Aden.
"Essentials of English grammar:a practical guide/Fuad Mas'ud".
ed.2
Jakarta:
BPFE,
1998.
.