एपीए उद्धरण

Bishop, R. C., & Romano, D. [. (1998). Environmental resource valuation: Applications of the contingent valuation method in Italy. Kluwer Academic.

शिकागो स्टाइल उद्धरण

Bishop, Richard C.[ed.], और Donato [ed.] Romano. Environmental Resource Valuation: Applications of the Contingent Valuation Method in Italy. Boston: Kluwer Academic, 1998.

एमएलए उद्धरण

Bishop, Richard C.[ed.], और Donato [ed.] Romano. Environmental Resource Valuation: Applications of the Contingent Valuation Method in Italy. Kluwer Academic, 1998.