Bishop,Richard C, & Romano,Donato. (1998). Environmental resource valuation: Applications of the contigent valuation method in Italy. Kluwer Academic Publishers.
Trích dẫn kiểu ChicagoBishop,Richard C, và Romano,Donato. Environmental Resource Valuation: Applications of the Contigent Valuation Method in Italy. Boston: Kluwer Academic Publishers, 1998.
Trích dẫn MLABishop,Richard C, và Romano,Donato. Environmental Resource Valuation: Applications of the Contigent Valuation Method in Italy. Kluwer Academic Publishers, 1998.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.