Judul asli : "Advanced Formula for Total Success"
No Inv.: 2671-2680/P/Perp/96/10c
No Inv.: 3753-3757/P/Perp/96/5c
No Inv.: 3472-3481/P/Perp/96/10c
Judul asli : "How to be Your Own Best Friend"
Judul asli : "Test Your Entrepreneurial IQ"
Bibliografi : hlm. 305-346
Bibliografi : hlm.509-513
Tersedia Bibliografi dan Indeks.
Tersedia Bibliografi dan Indeks.