Bibliografi : hlm. 149-156 No Inv.: 134896/SM/Perp/13/1c~135884/PH/Perp/13/1c
Bibliografi : hlm. 125No Inv.: 139269-139273/P/Perp/14/5c
No Inv.: 110683-110687/P/Perp/07/5c~118560-118562/P/Perp/09/3c
No Inv.: 2085-2089/P/99/5c~59252-59254/S/00/3c~67470/S/00/1c
No Inv.: 77291-77300/01/10c~77047/P/02/1c
Judul asli : "52 Simple Ways to Have Fun with Your Child"
No Inv.: 914-923/P/Perp/95/10c
No Inv.: 116244-116246/P/Perp/09/3c
No Inv.: 116217-116219/P/Perp/09/3c~116629/S/Perp/09/1c
No Inv.: 116223-116225/P/Perp/09/3c