Gaya APA
Operations Research. (2006).
New England:
[s.n.].
Gaya Chicago
Operations Research.
Ed. 2.
New England:
[s.n.],
2006.
Text.
Gaya MLA
Operations Research.
Ed. 2.
New England:
[s.n.],
2006.
Text.
Gaya Turabian
Operations Research.
New England:
[s.n.],
2006.
Print.