Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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