No Inv.: 128418/S/Perp/10/1c
No Inv.: 114538/S/Perp/08/1c
No Inv.: 53-054/BD/Perp/86/2c
Bibliografi : hlm. 123
Bibliografi : hlm. 159-161
Judul asli : "Advanced Formula for Total Success"
Bibliografi : hlm. 217-221
Bibliografi : hlm. 211-216
Bibliografi : hlm. 367-368