Gaya APA
Astuti, Ponny Retno. (2008).
MEREDAM BULLYING .
jakarta:
PT. GRASINDO.
Gaya Chicago
Astuti, Ponny Retno.
MEREDAM BULLYING.
jakarta:
PT. GRASINDO,
2008.
Text.
Gaya MLA
Astuti, Ponny Retno.
MEREDAM BULLYING.
jakarta:
PT. GRASINDO,
2008.
Text.
Gaya Turabian
Astuti, Ponny Retno.
MEREDAM BULLYING.
jakarta:
PT. GRASINDO,
2008.
Print.