Simons, Ronald L., author
Macmillan, 1985
Buku Teks
Allen, Carol Vestall, author
Appleton & Lange, 1997
Buku Teks
Hoover, Stewart V., author
Addison-Wesley, 1990
Buku Teks
Keedy, Mervin L., author
Addison-Wesley, 1986
Buku Teks
edited by Rachel Brown-Chidsey, Kristina J. Andren
The Guilford Press, 2005
Buku Teks