Gaya APA
Novia, Windy. (2009).
Essential English Grammar .
s.l:
Wacana Intelektual.
Gaya Chicago
Novia, Windy.
Essential English Grammar.
s.l:
Wacana Intelektual,
2009.
Text.
Gaya MLA
Novia, Windy.
Essential English Grammar.
s.l:
Wacana Intelektual,
2009.
Text.
Gaya Turabian
Novia, Windy.
Essential English Grammar.
s.l:
Wacana Intelektual,
2009.
Print.