Não informado. (1969). Man-environment Systems. Association for the Study of Man-Environment Relations.
Cita Chicago Style (17a ed.)Não informado. Man-environment Systems. Orange, NJ: Association for the Study of Man-Environment Relations, 1969.
Cita MLA (8a ed.)Não informado. Man-environment Systems. Association for the Study of Man-Environment Relations, 1969.
Precaución: Estas citas no son 100% exactas.