Goldmann, H. M. (1971). How To Win Customers Heinz M. Goldmann. Pan Book.
Chicagoスタイル(17版)引用形式Goldmann, Heinz M. How To Win Customers Heinz M. Goldmann. Pan Book, 1971.
MLA(8版)引用形式Goldmann, Heinz M. How To Win Customers Heinz M. Goldmann. Pan Book, 1971.
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