EPPEN, G. D. (1991). Introductory Management Science F. J. Gould , G. D. Eppend And C. P. Schmidt. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)EPPEN, G. D. Introductory Management Science F. J. Gould , G. D. Eppend And C. P. Schmidt. Prentice-Hall, 1991.
Lua MLA (8ú heag.)EPPEN, G. D. Introductory Management Science F. J. Gould , G. D. Eppend And C. P. Schmidt. Prentice-Hall, 1991.
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