Dyfyniad APA

Vieira, W. (1997). The new sales manager: Challenges for twenty first century. Resoponse.

Dyfyniad Arddull Chicago

Vieira, Walter. The New Sales Manager: Challenges for Twenty First Century. New Delhi: Resoponse, 1997.

Dyfyniad MLA

Vieira, Walter. The New Sales Manager: Challenges for Twenty First Century. Resoponse, 1997.

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