Neuschel, R. F. (1976). Management systems for profit and growth. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Neuschel, Richard F. Management Systems for Profit and Growth. New York: McGraw-Hill, 1976.
Lua MLA (9ú heag.)Neuschel, Richard F. Management Systems for Profit and Growth. McGraw-Hill, 1976.
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