Penggayaan APA
Widarso. (1994).
Complete English Grammer .
Yogyakarta:
Kanisius.
Chicago Style
Widarso.
Complete English Grammer.
Yogyakarta:
Kanisius,
1994.
Text.
MLA Style
Widarso.
Complete English Grammer.
Yogyakarta:
Kanisius,
1994.
Text.
Turabian Style
Widarso.
Complete English Grammer.
Yogyakarta:
Kanisius,
1994.
Print.