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