(1982). Human settlement systems: Spatial patterns and trends. International Institute for Applied Systems Analysis.
Citazione stile Chigago Style (17a edizione)Human Settlement Systems: Spatial Patterns and Trends. Laxenburg: International Institute for Applied Systems Analysis, 1982.
Citatione MLA (9a ed.)Human Settlement Systems: Spatial Patterns and Trends. International Institute for Applied Systems Analysis, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.