Regional Science Association. British Section & Cripps, E. L. (1974). Space-time concepts in urban and regional models. Pion.
Citazione stile Chigago Style (17a edizione)Regional Science Association. British Section e E. L. Cripps. Space-time Concepts in Urban and Regional Models. London: Pion, 1974.
Citatione MLA (8a ed.)Regional Science Association. British Section e E. L. Cripps. Space-time Concepts in Urban and Regional Models. Pion, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.