Gaya APA
Azar, Betty Schrampfer. (1996).
Basic english grammar : Betty Schrampfer Azar (ed.1, cet.1).
Jakarta:
Prehallindo.
Gaya Chicago
Azar, Betty Schrampfer.
Basic english grammar : Betty Schrampfer Azar.
ed.1, cet.1
Jakarta:
Prehallindo,
1996.
Textbook.
Gaya MLA
Azar, Betty Schrampfer.
Basic english grammar : Betty Schrampfer Azar.
ed.1, cet.1
Jakarta:
Prehallindo,
1996.
Textbook.
Gaya Turabian
Azar, Betty Schrampfer.
Basic english grammar : Betty Schrampfer Azar.
ed.1, cet.1
Jakarta:
Prehallindo,
1996.
Textbook.