APA aipamena

Alexander Hamilton Institute (U.S.), Butler, R. S., De Bower, H. F., & Jones, J. G. (1916). Marketing methods and salesmanship: Part I: Marketing methods, by Ralph Starr Butler. Part II: Selling. Part III: Sales management. Alexander Hamilton Institute.

Chicago Style aipamena

Alexander Hamilton Institute (U.S.), Ralph Starr Butler, Herbert F. De Bower, and John George Jones. Marketing Methods and Salesmanship: Part I: Marketing Methods, by Ralph Starr Butler. Part II: Selling. Part III: Sales Management. New York: Alexander Hamilton Institute, 1916.

MLA aipamena

Alexander Hamilton Institute (U.S.), et al. Marketing Methods and Salesmanship: Part I: Marketing Methods, by Ralph Starr Butler. Part II: Selling. Part III: Sales Management. Alexander Hamilton Institute, 1916.