Παραπομπή APA

Genty, D. W., & O'Neil, T. J. (1984). Mine investment analysis. New York: Society of mining engineers.

Παραπομπή Chicago Style

Genty, Donald W., and Thomas J. O'Neil. Mine Investment Analysis. New York: Society of mining engineers, 1984.

Παραπομπή MLA

Genty, Donald W., and Thomas J. O'Neil. Mine Investment Analysis. New York: Society of mining engineers, 1984.

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