EPPEN, G. D. (1988). Quantitative Concepts For Management. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)EPPEN, Gary D. Quantitative Concepts For Management. Prentice Hall, 1988.
Lua MLA (8ú heag.)EPPEN, Gary D. Quantitative Concepts For Management. Prentice Hall, 1988.
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