No Inv.: 90576/P/Perp/04/1c
No Inv.: 116934/P/Perp/09/1c
No Inv.: 106784/S/Perp/06/1c
Judul asli : "Steps to Power and Mastery Over People"
No Inv.: 118895-118897/P/Perp/09/3c~125420-125424/P/Perp/10/5c
No Inv.: 455/P/Perp/97/1c
Bibliografi : hlm. 184-190 No Inv.: 137150/P/Perp/14/1c
No Inv.: 81265/P/02/1c
No Inv.: 327/P/Perp/92/2c~324/P/Perp/92/2c