No Inv.: 111389-111390/P/Perp/07/2c
No Inv.: 13489/P/Perp/94/1c~1407/P/Perp/95/1c
No. Inv. : 150344-150345/P/Perp/15/2c
Bibliografi : hlm. 315-353
Bibliografi : hlm. 303-313No Inv.: 142493-142497/P/Perp/14/5c
No Inv.: 89620/PSM/Perp/04/1c
Judul asli : "Tactics the Art and Science of Success"
Judul asli : "Steps to Success and Achievement"