edited by Stuart Hall, Jessica Evans and Sean Nixon
Sage, 2013
Buku Teks
compiled by Herbert A. Simon
Prentice-Hall, 1972
Buku Teks
Cadle, Patrick
UNDP, 2008
Buku Teks
editors, Stuart Hall, Jessica Evans, Sean Nixon
Sage, 2013
Buku Teks
Feit, Walter
North-Holland, 1982
Buku Teks