American Society of Landscape Architects Foundation. (1978). Access to the environment: A series of reference documents on the design and development of site facilities to make them barrier free to the physically handicapped and disabled. Department of Housing and Urban Development, Office of Policy Development and Research.
Chicago Style (17th ed.) CitationAmerican Society of Landscape Architects Foundation. Access to the Environment: A Series of Reference Documents on the Design and Development of Site Facilities to Make Them Barrier Free to the Physically Handicapped and Disabled. [Washington]: Department of Housing and Urban Development, Office of Policy Development and Research, 1978.
MLA (9th ed.) CitationAmerican Society of Landscape Architects Foundation. Access to the Environment: A Series of Reference Documents on the Design and Development of Site Facilities to Make Them Barrier Free to the Physically Handicapped and Disabled. Department of Housing and Urban Development, Office of Policy Development and Research, 1978.