Gaya APA
Sholikhah, I, M. et al
(1998).
Essentials Of English Grammar A Pratical Guide
(
Ed. 2)
.
Yogyakarta:
BPFE.
Gaya MLA
Sholikhah, Ika, Maratus. et al.
"Essentials Of English Grammar A Pratical Guide".
Ed. 2
Yogyakarta:
BPFE,
1998.
Text.