Gaya APA
Azar, Betty Schrampfer. (1989).
Understanding and using : English grammar (2nd ed).
Englewood Cliffs, NJ:
Prentice Hall.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and using : English grammar.
2nd ed
Englewood Cliffs, NJ:
Prentice Hall,
1989.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and using : English grammar.
2nd ed
Englewood Cliffs, NJ:
Prentice Hall,
1989.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and using : English grammar.
2nd ed
Englewood Cliffs, NJ:
Prentice Hall,
1989.
Print.