APA (7th ed.) Zitazioa
Calow, P. (1998). Handbook of environmental risk assessment and management. Blackwell Science.
Chicago Style (17th ed.) Zitazioa
Calow, Peter. Handbook of Environmental Risk Assessment and Management. London: Blackwell Science, 1998.
MLA (9th ed.) Zitazioa
Calow, Peter. Handbook of Environmental Risk Assessment and Management. Blackwell Science, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.