Dyfyniad APA

Roodman, D. M., & Peterson, J. A. (1997). Getting the signals right: Tax reform to protect the environment and the economy. Washington: Worldwatch Institute.

Dyfyniad Arddull Chicago

Roodman, David Malin, and Jane A. Peterson. Getting the Signals Right: Tax Reform to Protect the Environment and the Economy. Washington: Worldwatch Institute, 1997.

Dyfyniad MLA

Roodman, David Malin, and Jane A. Peterson. Getting the Signals Right: Tax Reform to Protect the Environment and the Economy. Washington: Worldwatch Institute, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.