एपीए उद्धरण

Bishop,Richard C, & Romano,Donato. (1998). Environmental resource valuation: Applications of the contigent valuation method in Italy. Kluwer Academic Publishers.

शिकागो स्टाइल उद्धरण

Bishop,Richard C, और Romano,Donato. Environmental Resource Valuation: Applications of the Contigent Valuation Method in Italy. Boston: Kluwer Academic Publishers, 1998.

एमएलए उद्धरण

Bishop,Richard C, और Romano,Donato. Environmental Resource Valuation: Applications of the Contigent Valuation Method in Italy. Kluwer Academic Publishers, 1998.