Gaya APA
Azar, Betty Schrampfer. (1999).
Understanding and using english grammar (ed.3).
:
Pearson Education.
Gaya Chicago
Azar, Betty Schrampfer.
Understanding and using english grammar.
ed.3
:
Pearson Education,
1999.
Text.
Gaya MLA
Azar, Betty Schrampfer.
Understanding and using english grammar.
ed.3
:
Pearson Education,
1999.
Text.
Gaya Turabian
Azar, Betty Schrampfer.
Understanding and using english grammar.
ed.3
:
Pearson Education,
1999.
Print.