Buskirk, Richard Hobart, 1927-
Selling : principles and practices
McGraw-Hill, 1992
Buku Teks
Nixon, H.K.
Principles of selling / by H. K. Nixon
McGraw-Hill, 1931
Buku Teks
Allen, Peter
Selling
Pitman, 1998
Buku Teks
Russell, Frederick A.
Selling : principles and practices / Frederic A. Russell, Frank H. Beach, Richard H. Buskirk
McGraw-Hill Publishing Company, 1988
Buku Teks
Allen, Robert Y.
Selling dynamics
McGraw-Hill, 1984
Buku Teks