edited by Stuart Corbridge
Edward Arnold, 2002
Buku Teks
edited by John Friedmann and William Alonso
MIT Press, 1965
Buku Teks
edited by Yves Chapel
International Institute of Administrative Sciences, 1977
Buku Teks
Elkin, Judith
Facet Publishing , 2004
Buku Teks
Macmillan, 1971
Buku Teks