Judul asli : Developmentally appropriate practices, 5nd edition Bibliografi : hlm. 667-700
Bibliografi : hlm. 367-377 No Inv.: 141166/PSM/Perp/14/1c
Bibliografi : hlm. 319-324
No Inv.: 480-489/Perp/89/10c
No Inv.: 319-323/S/Perp/95/5c
No Inv.: 109401/S/Perp/07/1c
No Inv.: 308/S/Perp/97/1c
No Inv.: 309/S/Perp/97/1c
No Inv.: 340/S/Perp/97/1c