Hardoy, J. E. (1986). Small and intermediate urban centres: Their role in regional and national development in the Thirld World. Hodder and Stoughton.
Lua i Stíl Chicago (17ú heag.)Hardoy, Jorge Enriquez. Small and Intermediate Urban Centres: Their Role in Regional and National Development in the Thirld World. London: Hodder and Stoughton, 1986.
Lua MLA (9ú heag.)Hardoy, Jorge Enriquez. Small and Intermediate Urban Centres: Their Role in Regional and National Development in the Thirld World. Hodder and Stoughton, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.