Stone, Bob
Successful telemarketing : opportunities and techniques for increasing sales and profits/ Bob Stone and John Wyman
Prentice-Hall, 1986
 Buku Teks
Harry T. Yani Achsan
Perancangan sistem informasi telemarketing
Fakultas Ilmu Komputer Universitas Indonesia, 1998
 UI - Tesis (Membership)
Roman, Murray
Telephone marketing
McGraw-Hill, 1976
 Buku Teks
Goldner, Paul S.
Red hot cold call selling
American Management Association;, 2006
 eBooks
Boyan, Lee
Successful cold call selling
American Management Association, 1989
 eBooks