APA

United States, . (1975). Outdoor recreation briefing: hearing before Subcommittee on Parks and Recreation, 94th Congress, 1st session on briefing by officials of agencies of Federal Government who are actively involved in providing outdoor recreation to American people, Feb. 5, 1975. [Washington, D.C.]: .

Chicago

United States, . 1975. Outdoor recreation briefing: hearing before Subcommittee on Parks and Recreation, 94th Congress, 1st session on briefing by officials of agencies of Federal Government who are actively involved in providing outdoor recreation to American people, Feb. 5, 1975. [Washington, D.C.]: .

Harvard

United States, . (1975). Outdoor recreation briefing: hearing before Subcommittee on Parks and Recreation, 94th Congress, 1st session on briefing by officials of agencies of Federal Government who are actively involved in providing outdoor recreation to American people, Feb. 5, 1975. [Washington, D.C.]: .

MLA

United States, . Outdoor recreation briefing: hearing before Subcommittee on Parks and Recreation, 94th Congress, 1st session on briefing by officials of agencies of Federal Government who are actively involved in providing outdoor recreation to American people, Feb. 5, 1975. [Washington, D.C.]: . 1975.