Lua APA (7ú heag.)

Enrick, N. L. (1965). Management operations research. Holt, Rinehart and Winston.

Lua i Stíl Chicago (17ú heag.)

Enrick, Norbert Lloyd. Management Operations Research. New York: Holt, Rinehart and Winston, 1965.

Lua MLA (9ú heag.)

Enrick, Norbert Lloyd. Management Operations Research. Holt, Rinehart and Winston, 1965.

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