Bibliografi : hlm. 68-70
Bibliografi : hlm. 349-351
Judul asli : "Soziales Verhalt im Kinderganten"
No Inv.: 11253/P/Perp/98/1c
Judul asli : "Family Medical Care Vol. 2"Perpustakaan memiliki jilid 2
No Inv.: 2217-22226/P/Perp/98/10c
No Inv.: 11757/P/Perp/98/1c
No Inv.: 77-78/P/Perp/99/2c
Judul asli : "Test Bank to Accompany Child ..."
No Inv.: 10796-10805/P/Perp/98/10c