Não informado. (1969). Man-environment Systems. Association for the Study of Man-Environment Relations.
Citação do estilo Chicago (17ª ed.)Não informado. Man-environment Systems. Orange, NJ: Association for the Study of Man-Environment Relations, 1969.
Citação MLA (8ª ed.)Não informado. Man-environment Systems. Association for the Study of Man-Environment Relations, 1969.
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