Bittel, L. R. (1978). Encyclopedia of professional management. McGraw Hill.
シカゴスタイル引用形Bittel, Lester Robert. Encyclopedia of Professional Management. USA: McGraw Hill, 1978.
MLA引用形式Bittel, Lester Robert. Encyclopedia of Professional Management. McGraw Hill, 1978.
警告: この引用は必ずしも正確ではありません.