Keane, Michael, 1952-, author
Polity , 2013
Buku Teks
Routledge, 2022
eBooks
Tubbs, Carol Crellin, author
Slack Incorporated, 2012
Buku Teks
Lucas, Henry C., author
Columbia University Press, 1974
Buku Teks
edited by D. Henry Edel
Prentice-Hall, 1967
Buku Teks