Regional Science Association. British Section & Wilson, A. G. (1972). Patterns and process in urban and regional systems. Pion.
Lua i Stíl Chicago (17ú heag.)Regional Science Association. British Section agus Alan Geoffrey Wilson. Patterns and Process in Urban and Regional Systems. London: Pion, 1972.
Lua MLA (9ú heag.)Regional Science Association. British Section agus Alan Geoffrey Wilson. Patterns and Process in Urban and Regional Systems. Pion, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.