Gaya APA
Azar, Betty Schrampfer. (1984).
Basic English grammar .
United States of America:
Prentice Hall.
Gaya Chicago
Azar, Betty Schrampfer.
Basic English grammar.
United States of America:
Prentice Hall,
1984.
Buku Non-ketenaganukliran.
Gaya MLA
Azar, Betty Schrampfer.
Basic English grammar.
United States of America:
Prentice Hall,
1984.
Buku Non-ketenaganukliran.
Gaya Turabian
Azar, Betty Schrampfer.
Basic English grammar.
United States of America:
Prentice Hall,
1984.
Buku Non-ketenaganukliran.