Gaya APA
Slamet, M. (2001).
Proceedings HEDS SST2001 : seminar on science
technology 2001 .
Medan:
Berastagi Indonesia.
Gaya MLA
Slamet, Margono.
"Proceedings HEDS SST2001 : seminar on science
technology 2001".
Medan:
Berastagi Indonesia,
2001.
Text.