Gaya APA
Purwanto, J., DWI, S, I.
(2001).
Program Linear
.
Purwokerto:
FKIP UMP.
Gaya MLA
Purwanto, Joko., DWI, SASONGKO, IRMAWAN.
"Program Linear".
Purwokerto:
FKIP UMP,
2001.
Text.