Ziegler, R. J. (1966). Business policies and decision making. Appleton Century Crofts.
Dyfyniad Arddull ChicagoZiegler, Raymond J. Business Policies and Decision Making. New York: Appleton Century Crofts, 1966.
Dyfyniad MLAZiegler, Raymond J. Business Policies and Decision Making. Appleton Century Crofts, 1966.
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