Highet, Gilbert
Columbia University Press, 1954
Buku Teks
Santrock, John W.
W.C. Brown Publisher, 1991
Buku Referensi
Coon, Dennis
Wadsworth , 2001
Buku Teks
Gazzaniga, Michael S.
Norton & Company, 2003
Buku Teks
Coon, Dennis
MA Cengage Learning, 2016
Buku Teks