Dyfyniad APA

Allen, L. A. (1975). Professional management: New concepts and proven practices. Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Allen, Louis A. Professional Management: New Concepts and Proven Practices. Tata McGraw-Hill, 1975.

Dyfyniad MLA

Allen, Louis A. Professional Management: New Concepts and Proven Practices. Tata McGraw-Hill, 1975.

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