BATRA PRAMOD. (1996). SIMPLE WAYS TO MAKE YOUR CUSTOMERS HAPPY. THINK INCORPORTED.
Chicagoスタイル(17版)引用形式BATRA PRAMOD. SIMPLE WAYS TO MAKE YOUR CUSTOMERS HAPPY. NEW DELHI: THINK INCORPORTED, 1996.
MLA(9版)引用形式BATRA PRAMOD. SIMPLE WAYS TO MAKE YOUR CUSTOMERS HAPPY. THINK INCORPORTED, 1996.
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