Orfield, Myron
Brookings Institution Press, 2002
Buku Teks
Rae, Alastair I. M., author
Cambridge University Press, 2012
Buku Teks
edited by Patrick Nerhot
Kluwer Academic Publishers, 1990
Buku Referensi
Berle, Adolf A., Jr.
Harper & Row, , 1962
Buku Teks
Farschtschian, Farsam, author
[Springer, ], 2012
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