Weir, L. H. (1928). Parks: A manual of municipal and county parks compiled as a result of a nation-wide study of municipal and county parks conducted by the Playground and Recreation Association of America, in co-operation with the American Institute of Park Executives at the request of the National Conference on Outdoor Recreation. A.S. Barnes and Company.
Παραπομπή σε μορφή Chicago (17η εκδ.)Weir, L. H. Parks: A Manual of Municipal and County Parks Compiled as a Result of a Nation-wide Study of Municipal and County Parks Conducted by the Playground and Recreation Association of America, in Co-operation with the American Institute of Park Executives at the Request of the National Conference on Outdoor Recreation. New York: A.S. Barnes and Company, 1928.
Παραπομπή σε μορφή MLA (8th εκδ.)Weir, L. H. Parks: A Manual of Municipal and County Parks Compiled as a Result of a Nation-wide Study of Municipal and County Parks Conducted by the Playground and Recreation Association of America, in Co-operation with the American Institute of Park Executives at the Request of the National Conference on Outdoor Recreation. A.S. Barnes and Company, 1928.