Gaya APA
http://digilib.ub.ac.id/opac/detail-opac?id=269. ().
:
.
Gaya Chicago
http://digilib.ub.ac.id/opac/detail-opac?id=269.
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:
,
.
E-Book.
Gaya MLA
http://digilib.ub.ac.id/opac/detail-opac?id=269.
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:
,
.
E-Book.
Gaya Turabian
http://digilib.ub.ac.id/opac/detail-opac?id=269.
:
,
.
E-Book.