Gaya APA
Azar, Betty Schrampfer. (1989).
Understanding and Using English Grammar : 2nd. Ed. (Ed. 2).
New Jersey:
Prentice Hall.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and Using English Grammar : 2nd. Ed..
Ed. 2
New Jersey:
Prentice Hall,
1989.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and Using English Grammar : 2nd. Ed..
Ed. 2
New Jersey:
Prentice Hall,
1989.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and Using English Grammar : 2nd. Ed..
Ed. 2
New Jersey:
Prentice Hall,
1989.
Print.