Dyfyniad APA

Petts, J. (1999). Handbook of environmental impact assessment: :v.1 environmental impact assessment process,methods and potential. Blackwell Science.

Dyfyniad Arddull Chicago

Petts, Judith. Handbook of Environmental Impact Assessment: :v.1 Environmental Impact Assessment Process,methods and Potential. London: Blackwell Science, 1999.

Dyfyniad MLA

Petts, Judith. Handbook of Environmental Impact Assessment: :v.1 Environmental Impact Assessment Process,methods and Potential. Blackwell Science, 1999.

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