Elbing, A. O. (1967). The value issue of business. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoElbing, Alvar O. The Value Issue of Business. New York: McGraw-Hill, 1967.
Deismireacht MLAElbing, Alvar O. The Value Issue of Business. New York: McGraw-Hill, 1967.
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