Gaya APA
Azar, Betty Schrampfer. (1993).
Understanding And Using English Grammar : Betty Schrampfer Azar (Ed.2,cet.4).
Jakarta:
Bina Rupa Aksara.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding And Using English Grammar : Betty Schrampfer Azar.
Ed.2,cet.4
Jakarta:
Bina Rupa Aksara,
1993.
Textbook.
Gaya MLA
Azar, Betty Schrampfer.
Understanding And Using English Grammar : Betty Schrampfer Azar.
Ed.2,cet.4
Jakarta:
Bina Rupa Aksara,
1993.
Textbook.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding And Using English Grammar : Betty Schrampfer Azar.
Ed.2,cet.4
Jakarta:
Bina Rupa Aksara,
1993.
Textbook.