Gaya APA
Mustofa, K, .., Azar, B, S.
(1996).
Basic English Grammer
(
Ed. 2)
.
USA :
Prentice Hall Regents.
Gaya MLA
Mustofa, Kifli,Buchori, .., Azar, Beny, Schrampfer.
"Basic English Grammer".
Ed. 2
USA :
Prentice Hall Regents,
1996.
Text.