Não informado. (1974). Land use planning abstracts. Environment Information Center.
Style de citation Chicago (17e éd.)Não informado. Land Use Planning Abstracts. New York: Environment Information Center, 1974.
Style de citation MLA (8e éd.)Não informado. Land Use Planning Abstracts. Environment Information Center, 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.