Não informado. (1969). Man-environment Systems. Association for the Study of Man-Environment Relations.
Chicago-Zitierstil (17. Ausg.)Não informado. Man-environment Systems. Orange, NJ: Association for the Study of Man-Environment Relations, 1969.
MLA-Zitierstil (8. Ausg.)Não informado. Man-environment Systems. Association for the Study of Man-Environment Relations, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.