Forester, J. (1968). Statistical selection of business strategies. R. D. Irwin.
Lua i Stíl Chicago (17ú heag.)Forester, John. Statistical Selection of Business Strategies. Homewood, Ill.: R. D. Irwin, 1968.
Lua MLA (9ú heag.)Forester, John. Statistical Selection of Business Strategies. R. D. Irwin, 1968.
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