Bibliografi : hlm. 177-181 No Inv.: 129664/SM/Perp/11/1c~129905/SM/Perp/11/1c
Bibliografi : hlm. 417-420
Judul Asli : Basic Montessori, Learning Activities for Under-Fives. Bibliografi : hlm. 376-377
Bibliografi : hlm. 293-311
Bibliografi : hlm. 341-346 No Inv.: 141224,141068/P/Perp/14/2c
Bibliografi hlm. : 171-172
No Inv.: 110032/PSM/Perp/07/1c~116118-116119/P/Perp/09/2c~124002-124006/P/perp/10/5c
Bibliografi : hlm. 301 - 305
Bibliografi : hlm. 245-249
Bibliografi : hlm. 147-150