Ingold, Tim, 1948-, author
Routledge, 2015
Buku Teks
edited by Patricia Clarke and Dale Spender
NSW Allen & Unwin , 1992
Buku Teks
Brohet, Michael Julius, author
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Bugajski, Janusz, author
Westview Press, 1989
Buku Teks
Johnson, Walter Curtis, 1913-, author
McGraw-Hill, 1984
Buku Teks