Hegland, Kenney F., author
Thomson West, 2003
Buku Teks
Dresher, H. Michael, author
Springer Publishing Company, 2017
Buku Teks
Green, Joan L.
Springer Publishing, 1977
Buku Teks
Ur, Penny, author
Cambridge University Press, 1999
Buku Teks
edited by Daniel Weissbort
University Press, , 2006
Buku Teks