Natanson, Maurice, author
Random House, 1963
Buku Teks
Cain, M.J., author
Polity, 2016
Buku Teks
edited by Fred E. Dohrs and Lawrence M. Sommers
Thomas Y. Crowell, 1969
Buku Teks
Williams, Malcolm, 1953-, author
Routledge, 2000
Buku Teks
Stone, Alison, author
Polity Press, 2007
Buku Teks