BITTEL, L. R. (1978). Encyclopedia Of Professional Management Volume 1. Grolier International.
Chicagoスタイル(17版)引用形式BITTEL, Lester R. Encyclopedia Of Professional Management Volume 1. Grolier International, 1978.
MLA(8版)引用形式BITTEL, Lester R. Encyclopedia Of Professional Management Volume 1. Grolier International, 1978.
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