Dyfyniad APA

Hair, J. F. (2009). Sales management. Cengage Learning India Pvt Ltd.

Dyfyniad Arddull Chicago

Hair, Joseph Fetc. Sales Management. New Delhi: Cengage Learning India Pvt Ltd, 2009.

Dyfyniad MLA

Hair, Joseph Fetc. Sales Management. Cengage Learning India Pvt Ltd, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.