APA Style
Tjahjono, E, D, , {., Knof, H. (2009).
Prosiding seminar material metalurgi 2009 .
Serpong:
Pusat Penelitan Metalurgi LIPI.
MLA Style
Tjahjono, Edi, Dwi, , {et.al}., Knof, Hans.
"Prosiding seminar material metalurgi 2009".
Serpong:
Pusat Penelitan Metalurgi LIPI,
2009.
Prosiding.