Allen, L. A. (1975). Professional management: New concepts and proven practices.
Chicago Edition CitationAllen, Louis A. Professional Management: New Concepts and Proven Practices. New Delhi, Tata M C Graw Hill, 1975.
MLA Edition CitationAllen, Louis A. Professional Management: New Concepts and Proven Practices. 1975.
Warning: These citations may not always be 100% accurate.