Gaya APA
http://digilib.ub.ac.id/opac/detail-opac?id=262. ().
:
.
Gaya Chicago
http://digilib.ub.ac.id/opac/detail-opac?id=262.
.
:
,
.
E-Book.
Gaya MLA
http://digilib.ub.ac.id/opac/detail-opac?id=262.
.
:
,
.
E-Book.
Gaya Turabian
http://digilib.ub.ac.id/opac/detail-opac?id=262.
:
,
.
E-Book.