एपीए उद्धरण

(2000). Protecting the land: Conservation easements past, present, and future. Washington, D.C: Island Press.

शिकागो स्टाइल उद्धरण

Protecting the Land: Conservation Easements Past, Present, and Future. Washington, D.C: Island Press, 2000.

एमएलए उद्धरण

Protecting the Land: Conservation Easements Past, Present, and Future. Washington, D.C: Island Press, 2000.