The social child
edited by Anne Campbell and Steven Muncer
Psychology Press, 1998
 Buku Teks SO
Santrock, John W.
Children
McGraw-Hill, 2003
 Buku Teks SO
Roberts, Ann
Helping children to be strong from birth to three
Routledge, 2007
 Buku Teks SO
Santrock, John W.
Child development
McGraw-Hill, 1998
 Buku Teks SO
Santrock, John W.
Children
McGraw-Hill, 2000
 Buku Teks SO