Gaya APA

Persistent pollutants : economics and policy / editor by J.B. Opschoor and D.W. Pearce. (1991). : Dorcrecht, Kluwer Academic Publishers.

Gaya MLA

Persistent pollutants : economics and policy / editor by J.B. Opschoor and D.W. Pearce. . : Dorcrecht, Kluwer Academic Publishers, 1991. Text.