Phelps, D.M.
Sales management policies and procedures/ D.M. Phelps
Richard D. Irwin , 1953
 Buku Teks SO
Morse, Stephen A.
The art of marketing : successfull product management; Vol.5 : a guide to strategy, planning and development
Crest Publishing House, 2001
 Buku Teks SO
Stern, Mark E.
Marketing planning: an systems approach/ Mark E. Stern
McGraw-Hill, 1966
 Buku Teks SO
Firmanzah
Successful new product launching (npl) in the local market : bridging standardization and localization
Salemba Empat, 2009
 Buku Teks
Farbey, A.D.
The art of marketing : successfull advertrising; Vol. 4 : a guide to strategy, planning and targeting
Crest Publishing House, 2001
 Buku Teks SO