(1990). Managing national park system resources: A handbook on legal duties, opportunities, and tools. [S.l.]: Washington, D.C..
Chicago Style CitationManaging National Park System Resources: A Handbook On Legal Duties, Opportunities, and Tools. [S.l.]: Washington, D.C., 1990.
MLA CitationManaging National Park System Resources: A Handbook On Legal Duties, Opportunities, and Tools. [S.l.]: Washington, D.C., 1990.
Warning: These citations may not always be 100% accurate.