75 readings: an anthology
edited by Santi Buscemi, Charlotte Smith
McGraw-Hill, 1999
 Buku Teks
The newbery at 75: changing with the times
 Artikel Jurnal
Littauer, Florence
Personality plus
Binarupa aksara, 1995
 Buku Teks
Santrock, John W.
In-psych plus
McGraw-Hill, 2005
 Multimedia
Santrock, John W.
In-psych plus
McGraw-Hill Science/Engineering/Math, 2005
 Multimedia