Lua APA (7ú heag.)
Herrick, B. (1981). Urban poverty and economic development. Macmillan.
Lua i Stíl Chicago (17ú heag.)
Herrick, Bruce. Urban Poverty and Economic Development. London: Macmillan, 1981.
Lua MLA (9ú heag.)
Herrick, Bruce. Urban Poverty and Economic Development. Macmillan, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.