Sternberg, Robert J., author
Wadsworth and Cengage Learning, 2012
Buku Teks
Ashcraft, Mark H., author
Pearson, 2014
Buku Teks
William Damon, editor-in-chief
John Wiley & Sons, 1998
Buku Referensi
Leahey, Thomas Hardy, author
New Jersey, 2000
Buku Teks
Fiske, Susan T., author
McGraw-Hill, 1991
Buku Teks