Rodgers, Mark
Accelerate the sale : kick-start your personal selling style to close more sales, faster
McGraw-Hill , 2011
Buku Teks
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
Allen, Robert Y.
Selling dynamics
McGraw-Hill, 1984
Buku Teks