Gaya APA
Schrampfer Azar, Betty, Budijanto. (1993).
Understanding and using English Grammar .
Jakarta Barat:
Binarupa Aksara.
Gaya Chicago
Schrampfer Azar, Betty, Budijanto.
Understanding and using English Grammar.
Jakarta Barat:
Binarupa Aksara,
1993.
Text.
Gaya MLA
Schrampfer Azar, Betty, Budijanto.
Understanding and using English Grammar.
Jakarta Barat:
Binarupa Aksara,
1993.
Text.
Gaya Turabian
Schrampfer Azar, Betty, Budijanto.
Understanding and using English Grammar.
Jakarta Barat:
Binarupa Aksara,
1993.
Print.