Billett, Stephen, author
Springer, 2011
Buku Teks
Brakel-Papenhuyzen, Clara, author
Faculty of Humanities University of Indonesia, 2010
Artikel Jurnal
edited by William Sweet ... [et al.]
Council for Research in Values and Philosophy, 2008
Buku Teks
Wei, Liming, author
China Intercontinental Press, 2010
Buku Teks
Haslam, Sara, author
Routledge, 2009
Buku Teks