APA Style
Graddol, David. (2003).
Gender Voices .
Pasuruan:
Opedati.
Chicago Style
Graddol, David.
Gender Voices.
Pasuruan:
Opedati,
2003.
Text.
MLA Style
Graddol, David.
Gender Voices.
Pasuruan:
Opedati,
2003.
Text.
Turabian Style
Graddol, David.
Gender Voices.
Pasuruan:
Opedati,
2003.
Print.