APA (7th ed.) Citation

Downing, G. D. (1983). Professional sales management. Grid Pub. Co..

Chicago Style (17th ed.) Citation

Downing, George D. Professional Sales Management. Columbus, Ohio: Grid Pub. Co., 1983.

MLA (9th ed.) Citation

Downing, George D. Professional Sales Management. Grid Pub. Co., 1983.

Warning: These citations may not always be 100% accurate.