Gaya APA
AZAR, B, S.
(2001).
Basic English Grammar Volume A
(
Ed. 2 Cet. 10)
.
Singapore:
Pearson Education Asia.
Gaya MLA
AZAR, Betty, Schrampfer.
"Basic English Grammar Volume A".
Ed. 2 Cet. 10
Singapore:
Pearson Education Asia,
2001.
Text.