Gaya APA
Centre, S, T. (1993).
Proceeding of Seminar on Sabo Engineering (17-20 February, 1993) .
Yogyakarta:
Sabo Technical Centre.
Gaya MLA
Centre, Sabo, Technical.
"Proceeding of Seminar on Sabo Engineering (17-20 February, 1993)".
Yogyakarta:
Sabo Technical Centre,
1993.
Text.