Heller,Robert, & Hindle,Tim. (2008). Selling successfully. Dorling Kindersley.
Chicagoスタイル(17版)引用形式Heller,Robert, , Hindle,Tim. Selling Successfully. London: Dorling Kindersley, 2008.
MLA(8版)引用形式Heller,Robert, , Hindle,Tim. Selling Successfully. Dorling Kindersley, 2008.
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