Pederson, Carlton A.
Salesmanship : principles and methods / Carlton A. Pederson, Milburn D. Wright
Richard D. Irwin, Inc., 1966
Buku Teks
Crissy, W.J.E.
Effective selling : a short course for professionals / W.J.E. Crissy, Isabella C.M. Cunningham, and William H. Cunningham
John Wiley & Sons, 1977
Buku Teks
Lapp, Charles L.
Successful selling strategies : how to climb the ladder to sales succes / Charles L. Lapp
McGraw-Hill, 1957
Buku Teks
Frank, William W.
How to outsell : the born salesman / by William W. Frank and Charless L. Lapp
Macmillan, 1959
Buku Teks
Ivey, Paul W.
Successful salesmanship / by Paul W. Ivey, Walter Horvath
Prentice-Hall, 1961
Buku Teks