Bibliografi : hlm. 213 - 223
Bibliografi : hlm. 241 - 243
Bibliografi : hlm. 327
Bibliografi : hlm. 357 - 370
No Inv.: 103212/PSM/Perp/05/1c~118394-118396/P/Perp/09/3c~125935-125939/P/Perp/10/5c
No Inv.: 122551-122555/P/Perp/10/5c
No Inv.: 131266/SM/Perp/12/1c
Judul asli :"Seven times smarter"