Edited by Donald earl childress III
Cambridge University Press, 2014
Buku Teks
Kerridge, Ian, author
Social Science Press, 1998
Buku Teks
Benjamin, Martin, author
Oxford University Press, 2010
Buku Teks
Bandman, Elsie L., author
Prentice-Hall, 1995
Buku Teks
Schneid, Thomas D., author
CRC Press, 2008
Buku Teks