Gaya APA
AZAR, Betty Schrampfer. (1999).
Understanding and Using : English Grammar (3rd.ed).
USA:
Longmans,Green and Co..
Gaya Chicago
AZAR, Betty Schrampfer.
Understanding and Using : English Grammar.
3rd.ed
USA:
Longmans,Green and Co.,
1999.
Teks.
Gaya MLA
AZAR, Betty Schrampfer.
Understanding and Using : English Grammar.
3rd.ed
USA:
Longmans,Green and Co.,
1999.
Teks.
Gaya Turabian
AZAR, Betty Schrampfer.
Understanding and Using : English Grammar.
3rd.ed
USA:
Longmans,Green and Co.,
1999.
Teks.