SPIEGEL, W. R. a. L. (1969). Industrial management.: 5th ed. Wiley & Sons.
Chicagoスタイル(17版)引用形式SPIEGEL, William R. and LANSBURGH. Industrial Management.: 5th Ed. New York: Wiley & Sons, 1969.
MLA(9版)引用形式SPIEGEL, William R. and LANSBURGH. Industrial Management.: 5th Ed. Wiley & Sons, 1969.
警告: この引用は必ずしも正確ではありません.