Westen, Drew
Buku Teks
edited by Marie T. Banich,
Mahwah, New Jersey Lawrence Erlbaum Associates, publsh 2003
Buku Teks SO
Gazzaniga, Michael S.
Norton & Company, 2003
Buku Teks SO
Alexander Moreira-Almeida, Franklin Santana Santos, editors
Springer, 2012
eBooks
W.H. Freeman and Company, 1993
Buku Teks SO