Pollard, H. R. (1978). Trends in management thinking 1960-1970. Gulf publishing company.
Dyfyniad Arddull ChicagoPollard, Harold R. Trends in Management Thinking 1960-1970. London: Gulf publishing company, 1978.
Dyfyniad MLAPollard, Harold R. Trends in Management Thinking 1960-1970. Gulf publishing company, 1978.
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