Não informado. (1969). Man-environment Systems. Association for the Study of Man-Environment Relations.
Citace podle Chicago (17th ed.)Não informado. Man-environment Systems. Orange, NJ: Association for the Study of Man-Environment Relations, 1969.
Citace podle MLA (8th ed.)Não informado. Man-environment Systems. Association for the Study of Man-Environment Relations, 1969.
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