APA Style
BRAM SIHOMBING. (2012).
Yogyakarta:
AULYA PUBLISHING.
Chicago Style
BRAM SIHOMBING.
.
Yogyakarta:
AULYA PUBLISHING,
2012.
Text.
MLA Style
BRAM SIHOMBING.
.
Yogyakarta:
AULYA PUBLISHING,
2012.
Text.
Turabian Style
BRAM SIHOMBING.
Yogyakarta:
AULYA PUBLISHING,
2012.
Print.