Baumol, William J., author
Prentice-Hall, 1979
Buku Teks
Mills, Edwin S., author
W.W. Norton, 1978
Buku Teks
American Enterprise Institute for Public Policy Research, 1973
Buku Teks
Nijkamp, Peter, author
North-Holland Publishing, 1977
Buku Teks
Common, Michael
Addison Wesley Longman, 1996
Buku Teks