Allen, L. A. (1975). Professional management: New concepts and proven practices. Tata McGraw-Hill.
シカゴスタイル引用形Allen, Louis A. Professional Management: New Concepts and Proven Practices. Tata McGraw-Hill, 1975.
MLA引用形式Allen, Louis A. Professional Management: New Concepts and Proven Practices. Tata McGraw-Hill, 1975.
警告: この引用は必ずしも正確ではありません.