Quinn, Daniel
Three Rivers Press, 1999
Buku Teks
Kirkpatrick, Graeme, 1963-, author
Polity Press, 2013
Buku Teks
Quinn, Michael J. (Michael Jay), author
Pearson education, 2017
Buku Teks
Tredinnick, Luke
Chandos, 2008
Buku Teks
Toffler, Alvin, author
Pantja Simpati, 1990
Buku Teks