Blackman ,Jeff. (2003). Stop whining start selling. John Wiley & Sons.
Chicagoスタイル(17版)引用形式Blackman ,Jeff. Stop Whining Start Selling. John Wiley & Sons, 2003.
MLA(9版)引用形式Blackman ,Jeff. Stop Whining Start Selling. John Wiley & Sons, 2003.
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