Cita APA (7th ed.)
Fischman, R. (2003). The national wildlife refuges: Coordinating a conservation system through law. Island Press.
Cita Chicago (17th ed.)
Fischman, Robert. The National Wildlife Refuges: Coordinating a Conservation System Through Law. Washington,: Island Press, 2003.
Cita MLA (9th ed.)
Fischman, Robert. The National Wildlife Refuges: Coordinating a Conservation System Through Law. Island Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.