Wilson, Holly Skodol, author
Addison-Wesley, 1983
Buku Teks
editors, Dianne C. Longo, Reg Arthur Williams
Appleton-Century-Crofts, 1986
Buku Teks
Girdano, Daniel A., author
Prentice-Hall, 1986
Buku Teks
Clinton, Michael
Sydney Prentice Hall 1996 ,
Buku Teks
Fortinash, Katherine M., author
Mosby , 1995
Buku Teks