Bibliografi : hlm. 185-187
Bibliografi : hlm. 189-194
Bibliografi : hlm. 163-170
Judul asli : "Just keep buying : proven ways to save money and build your wealth"
Bibliografi : hlm. 137-139
Bibliografi : hlm. 300-305 No Inv.: 134948/S/Perp/13/1c
Bibliografi : hlm. 205-208