Regional Science Association. British Section & Cripps, E. L. (1974). Space-time concepts in urban and regional models. Pion.
Cita Chicago (17th ed.)Regional Science Association. British Section i E. L. Cripps. Space-time Concepts in Urban and Regional Models. London: Pion, 1974.
Cita MLA (9th ed.)Regional Science Association. British Section i E. L. Cripps. Space-time Concepts in Urban and Regional Models. Pion, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.