United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Recreation & ProQuest (Firm). (1970). Oregon Dunes National Recreation Area: Hearing, Ninety-first Congress, second session, on H.R. 778 .. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Recreation and ProQuest (Firm). Oregon Dunes National Recreation Area: Hearing, Ninety-first Congress, Second Session, on H.R. 778 .. Washington: U.S. Govt. Print. Off, 1970.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Recreation and ProQuest (Firm). Oregon Dunes National Recreation Area: Hearing, Ninety-first Congress, Second Session, on H.R. 778 .. U.S. Govt. Print. Off, 1970.