BROWNSTONE D M. (1983). SALES PROFESSIONALS ADVISOR. JOHN WILEY AND SONS.
Chicagoスタイル(17版)引用形式BROWNSTONE D M. SALES PROFESSIONALS ADVISOR. NEW YORK: JOHN WILEY AND SONS, 1983.
MLA(9版)引用形式BROWNSTONE D M. SALES PROFESSIONALS ADVISOR. JOHN WILEY AND SONS, 1983.
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