Bibliografi : hlm. 291-292
Judul asli : "The unschooling handbook : how to use wholeworld as your child's classroom" Termasuk bibliografi No Inv.: 140728/SM/Perp/14/1c
Bibliografi : hlm. 237 - 238
Bibliografi : hlm. 282-285
Bibliografi : hlm. 223-232No Inv.: 135941 /SM/Perp/13/1c
No Inv.: 312/P/00/1c
No Inv.: 110008/PSM/Perp/07/1c
No Inv.: 137010-137014/P/Perp/14/5c