Dyfyniad APA
Calow, P. (1998). Handbook of environmental risk assessment and management. Blackwell Science.
Dyfyniad Arddull Chicago
Calow, Peter. Handbook of Environmental Risk Assessment and Management. London: Blackwell Science, 1998.
Dyfyniad MLA
Calow, Peter. Handbook of Environmental Risk Assessment and Management. Blackwell Science, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.