No Inv.: 114209/P/Perp/08/1c
Judul asli : "The Action Centred Leader"
No Inv.: 82.842/Perp/72/1~82.858/Perp/72/18~82.846/Perp/72/6~82.844/Perp/72/4~82.850/Perp/72/10~82.849/Perp/72/9~82.854/Perp/72/14c
No Inv.: 1994-1995/S/Perp/88/2c
No Inv.: 227/S/Perp/89/1c~2607/S/Perp/1c
No Inv.: 8849-8853/P/Perp/97/5c~2381-2390/P/Perp/99/10c~86364/PSM/03/1c~119611-119613/P/Perp/09/3c~128424/PH/Perp/10/1c
No Inv.: 2039-2043/S/Perp/88/5c~002/S/Perp/86/1c
Bibliografi : hlm. 200No Inv.: 137967-137969/P/Perp/14/3c
No Inv.: 787-789/P/Perp/92/3c~346/P/00/1c