BITTEL, L. R. (1978). Encyclopedia Of Professional Management Voume 2. Grolier International.
Cita Chicago Style (17a ed.)BITTEL, Lester R. Encyclopedia Of Professional Management Voume 2. Grolier International, 1978.
Cita MLA (8a ed.)BITTEL, Lester R. Encyclopedia Of Professional Management Voume 2. Grolier International, 1978.
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