Lier, W. E. (1971). Special reports on major business problems. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoLier, W. E. Special Reports On Major Business Problems. New York: McGraw-Hill, 1971.
MLA CitationLier, W. E. Special Reports On Major Business Problems. New York: McGraw-Hill, 1971.
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