Gaya APA
Description Around Us. (2010).
Westport, Conn.:
SINERGI.
Gaya Chicago
Description Around Us.
Cet.1.
Westport, Conn.:
SINERGI,
2010.
Text.
Gaya MLA
Description Around Us.
Cet.1.
Westport, Conn.:
SINERGI,
2010.
Text.
Gaya Turabian
Description Around Us.
Westport, Conn.:
SINERGI,
2010.
Print.