Gaya APA
Campbell, Doug. ().
Proffesor Grammar's Rule Book .
:
BBC English.
Gaya Chicago
Campbell, Doug.
Proffesor Grammar's Rule Book.
:
BBC English,
.
Text.
Gaya MLA
Campbell, Doug.
Proffesor Grammar's Rule Book.
:
BBC English,
.
Text.
Gaya Turabian
Campbell, Doug.
Proffesor Grammar's Rule Book.
:
BBC English,
.
Print.