Environmental Law Institute & ebrary, Inc. (1999). Protecting Delaware's natural heritage: Tools for biodiversity conservation. Environmental Law Institute.
Chicago Style (17th ed.) CitationEnvironmental Law Institute and Inc ebrary. Protecting Delaware's Natural Heritage: Tools for Biodiversity Conservation. Washington, D.C.: Environmental Law Institute, 1999.
MLA (9th ed.) CitationEnvironmental Law Institute and Inc ebrary. Protecting Delaware's Natural Heritage: Tools for Biodiversity Conservation. Environmental Law Institute, 1999.
Warning: These citations may not always be 100% accurate.