Dyfyniad APA

MANNING, G. L. Selling today#building quality partnerships#Gerald L. Manning, Barry L. Reece. Prentice Hall.

Dyfyniad Arddull Chicago

MANNING, Gerald L. Selling Today#building Quality Partnerships#Gerald L. Manning, Barry L. Reece. Prentice Hall.

Dyfyniad MLA

MANNING, Gerald L. Selling Today#building Quality Partnerships#Gerald L. Manning, Barry L. Reece. Prentice Hall.

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