No Inv.: 535-537/P/Perp/92/3c~12006-12010/P/Perp/5c~538/P/Perp/1c
No Inv.: 1685/S/Perp/96/1c
No Inv.: 47-49/P/Perp/95/3c~10428-10433/S/Perp/92/6c~38-42/P/Perp/94/5c~14513-14516/P/Perp/94/4c
Bibliografi : hlm. 315-353
Judul asli : "Steps to Success and Achievement"
Bibliografi : hlm. 135
Bibliografi : hlm. 237-242
No. Inv. : 150011/SM/Perp/15/1c