Gielda, Steve
Premeditated selling: tools for developing the right strategy for every opportunity
American Society for Training & Development, 2012
 eBooks
Miller, William
More proactive sales management: avoid the mistakes even great sales managers make--and get extraordinary results
American Management Association, 2009
 eBooks
Baron, Eric
Innovative team selling : how to leverage your resources and make team selling work
Wiley, 2013
 Buku Teks
Farber, Barry J.
Success secrets of sales superstars : the moves and mayhem behind selling your way to the top as told by 34 industry leaders
Entrepreneur Press, 2013
 Buku Teks
Rauzatam Mardiah
Pengaruh artibut produk terhadap keputusan pembelian tas elizabeth / Rauzatam Mardiah
Politeknik Negeri Medan, 2017
 Artikel Jurnal