APA Style
Azar, Betty Schrampfer. (1999).
Understand and using English grammar (3 rd).
America, New York:
Longman.....
Chicago Style
Azar, Betty Schrampfer.
Understand and using English grammar.
3 rd
America, New York:
Longman....,
1999.
Buku Teks.
MLA Style
Azar, Betty Schrampfer.
Understand and using English grammar.
3 rd
America, New York:
Longman....,
1999.
Buku Teks.
Turabian Style
Azar, Betty Schrampfer.
Understand and using English grammar.
3 rd
America, New York:
Longman....,
1999.
Buku Teks.