Gutkind, P. C. W. (1974). The emergent Africa urban proletariat. Centre for Developing - Area Studies.
Lua i Stíl Chicago (17ú heag.)Gutkind, Peter Claus Wolfgang. The Emergent Africa Urban Proletariat. Montreal: Centre for Developing - Area Studies, 1974.
Lua MLA (9ú heag.)Gutkind, Peter Claus Wolfgang. The Emergent Africa Urban Proletariat. Centre for Developing - Area Studies, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.