Allen, L. (1973). Professional management: New concepts and problem practice. Mc Graw Hill.
Chicago Edition CitationAllen, L.A. Professional Management: New Concepts and Problem Practice. London: Mc Graw Hill, 1973.
MLA Edition CitationAllen, L.A. Professional Management: New Concepts and Problem Practice. Mc Graw Hill, 1973.
Warning: These citations may not always be 100% accurate.