North-Holland, 1978
Buku Teks
Hilgard, Ernest R. (Ernest Ropiequet), 1904-2001
Applenton-Century-Crofts, Inc., 1956
Buku Teks
Scheck, Florian, author
Springer, 2012
eBooks
California Research and Education Association, 1995
Buku Teks
Celenza, L.S., author
World Scientific , 1986
Buku Teks