Gaya APA
Mark, Gwen, Crystal. (2009).
IM .
Malaysia:
Zanders SDN BHD.
Gaya Chicago
Mark, Gwen, Crystal.
IM.
Malaysia:
Zanders SDN BHD,
2009.
Text.
Gaya MLA
Mark, Gwen, Crystal.
IM.
Malaysia:
Zanders SDN BHD,
2009.
Text.
Gaya Turabian
Mark, Gwen, Crystal.
IM.
Malaysia:
Zanders SDN BHD,
2009.
Print.