Matlin, Margaret W., author
Harcourt Brace College Publisher, 1999
Buku Teks
Matlin, Margareth W., author
Harcourt Brace College Publisher, 1999
Buku Teks
Alvarado, Luis
Llewellyn Publications, 1991
Buku Teks
Hebb, Donald Olding
W.B. Saunders Company, 1961
Buku Teks
Trull, Timothy J., 1960-, author
Thomson Wadsworth, 2005
Buku Teks