Robeson, James F.
Selling
Richard D. Irwin , 1978
Buku Teks
Allen, Peter
Selling
Pitman, 1998
Buku Teks
Selling dreams
Consumers of a Associations of Penang, 1986
Buku Teks
Short Selling
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Manus-Hannaford, R.G.
Selling and salesmanship
Macdonald, 1964
Buku Teks