Sternberg, Robert J.
Wadsworth and Cengage Learning, 2012
Buku Teks
Ashcraft, Mark H.
Pearson, 2014
Buku Teks
compiled by Clayton Joyce
Angus & Robertso, 1991
Buku Teks
edited by A.B. Shah
Manaktalas, 1965
Buku Teks
Purser, Warwick
Equinox Publishing Indonesia, 2005
Buku Referensi