Flavell, John H., author
Prentice-Hall, 1993
Buku Teks
Best, John B., author
West Publishing, 1989
Buku Teks
edited by George Houghton
Psychology Press, 2005
Buku Teks
Eysenck, Michael W., author
Psychology Press, 2005
Buku Teks
Eysenck, Michael W., author
Psychology Press, 2001
Buku Teks