Gaya APA
Hillier, F, S., Lieberman, G, J. (2018).
operations research (ninth edisi).
america:
McGraw-Hill Higher Education.
Gaya MLA
Hillier, Frederick, S.., Lieberman, Gerald, J..
"operations research".
ninth edisi
america:
McGraw-Hill Higher Education,
2018.
EBook Teknik Mesin.