Roodman, D. M., & Peterson, J. A. (1997). Getting the signals right: Tax reform to protect the environment and the economy. Washington: Worldwatch Institute.
Lua i Stíl Chicago (17ú heag.)Roodman, David Malin, agus Jane A. Peterson. Getting the Signals Right: Tax Reform to Protect the Environment and the Economy. Washington: Worldwatch Institute, 1997.
Lua MLA (8ú heag.)Roodman, David Malin, agus Jane A. Peterson. Getting the Signals Right: Tax Reform to Protect the Environment and the Economy. Washington: Worldwatch Institute, 1997.
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