Lua APA (7ú heag.)

Makower, M. S., & Williamson, E. (1970). Operational research: Problems, techniques and exercises. Teach Yourself Books.

Lua i Stíl Chicago (17ú heag.)

Makower, Michael Stanley, agus E. Williamson. Operational Research: Problems, Techniques and Exercises. London: Teach Yourself Books, 1970.

Lua MLA (9ú heag.)

Makower, Michael Stanley, agus E. Williamson. Operational Research: Problems, Techniques and Exercises. Teach Yourself Books, 1970.

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