Baumol, W. J. (1975). The theory of environmental policy: Externalities, public outlays and the quality of life. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Baumol, William J. The Theory of Environmental Policy: Externalities, Public Outlays and the Quality of Life. Englewood Cliffs, New Jersey: Prentice Hall, 1975.
Lua MLA (9ú heag.)Baumol, William J. The Theory of Environmental Policy: Externalities, Public Outlays and the Quality of Life. Prentice Hall, 1975.
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