Dyfyniad APA

Soden, D. L., & Steel, B. S. (1999). Handbook of global environmental policy and administration. Marcel Dekker Inc.

Dyfyniad Arddull Chicago

Soden, Dennis L., and Brent S. Steel. Handbook of Global Environmental Policy and Administration. New York: Marcel Dekker Inc, 1999.

Dyfyniad MLA

Soden, Dennis L., and Brent S. Steel. Handbook of Global Environmental Policy and Administration. Marcel Dekker Inc, 1999.

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