MacTaggart, Terrence J.
Jossey-Bass , 19989
Buku Teks
Veblen, Thorstein
Hill and Wang , 1965
Buku Teks
Magabook, 1994
Buku Referensi
Mordechai Feingold, editor
Oxford University Press, 2016
eBooks
Maurrasse, David J., author
Routledge , 2001
Buku Teks