Orenstein, Alan
The Falmer Press, 1978
Buku Teks
Erickson, Bonnie H., author
Open University Press, 1977
Buku Teks
Persell, Caroline Hodges, author
Harper & Row, 1984
Buku Teks
State University of New York Press, 2001
Buku Teks
Soong Hoom Kil and Chung-in Moon
State University of New York Press, 2001
Buku Teks