Breithaupt, Tim
10 steps to sales success: the proven system that can shorten the selling cycle, double your close ratio, and significantly increase your income
[American Management Association, ], 2003
 eBooks
Allen, Peter
Selling
Pitman, 1998
 Buku Teks
Lapp, Charles L.
Successful selling strategies : how to climb the ladder to sales succes / Charles L. Lapp
McGraw-Hill, 1957
 Buku Teks
Ahmad Hargi Septiawan
Evaluasi pelatihan Selling Skill karyawan bagian Sales Promotion Girl PT. Guna Layan Kuasa Jakarta Pusat = Evaluation training of Selling Skill about employees sales Promotion Girl employees PT. Guna Layan Kuasa Jakarta Pusat
Universitas Indonesia, 2013
 UI - Skripsi (Membership)
Gayanti Satuti Andriati
Pengembangan kegiatan personal selling melalui pembuatan buku profil perusahaan dan standar operasional prosedur penampilan PT. Asta Kriya Handicraft = Personal selling activities development through creating the company profile book and standard operating procedures for grooming of PT. Asta Kriya Handicraft
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
 UI - Tesis (Membership)