Nixon, H.K.
Principles of selling / by H. K. Nixon
McGraw-Hill, 1931
Buku Teks
Frank, William W.
How to outsell : the born salesman / by William W. Frank and Charless L. Lapp
Macmillan, 1959
Buku Teks
Russel, Frederic A.
Textbook of salesmanship / Frederic A. Russell, Frank H. Beach
McGraw-Hill, 1955
Buku Teks
Russell, Frederic A.
Textbook of salesmanship / Frederic A. Russell [and] Frank H. Beach
McGraw-Hill, 1959
Buku Teks
Whiting, Percy H.
The five great rules of selling / Percy H. Whiting
Dale Carnegie & Associates, Inc., 1979
Buku Teks