Sternberg, Robert J., author
Cengage Learning, 2017
Buku Teks
Neimark, Edith D., author
Harcourt Brace Javanovich, 1987
Buku Teks
edited by Michael Shayer
Open University Press, 2002
Buku Teks
Reed, Stephen K., author
Thomson Wadsworth, 2004
Buku Teks
Solso, Robert L., 1933-, author
Allyn and Bacon, 2001
Buku Teks