Cita APA (7th ed.)

Opschoor, J. B., & Turner, R. K. (1994). Economic incentives and environmental policies: Principles and practice. Kluwer Academic.

Cita Chicago (17th ed.)

Opschoor, Johannes B., i R. Kerry Turner. Economic Incentives and Environmental Policies: Principles and Practice. Dordrecht: Kluwer Academic, 1994.

Cita MLA (9th ed.)

Opschoor, Johannes B., i R. Kerry Turner. Economic Incentives and Environmental Policies: Principles and Practice. Kluwer Academic, 1994.