Cita APA (7th ed.)
Tosdal, H. R. (1940). Introduction to sales management. McGraw-Hill.
Cita Chicago (17th ed.)
Tosdal, Harry R. Introduction to Sales Management. New York, London: McGraw-Hill, 1940.
Cita MLA (9th ed.)
Tosdal, Harry R. Introduction to Sales Management. McGraw-Hill, 1940.
Atenció: Aquestes cites poden no estar 100% correctes.