Gaya APA
Widayat, M, A, ;, W.
(1986).
Linear programming
(
ed. 2)
.
Yogyakarta:
BPFE.
Gaya MLA
Widayat, Marwan, Asri, ;, Wahyu.
"Linear programming".
ed. 2
Yogyakarta:
BPFE,
1986.
Text.