Gaya APA
Riau, P, C. (2002).
Proceeding applied engineering seminar 2002. 28 September 2002 .
Pekanbaru:
Politeknik Caltex Riau.
Gaya MLA
Riau, Politeknik, Caltex.
"Proceeding applied engineering seminar 2002. 28 September 2002".
Pekanbaru:
Politeknik Caltex Riau,
2002.
Teks.