Fagg, B. (1977). Nok terracottas. Ethnographica for the National Museum.
Lua i Stíl Chicago (17ú heag.)Fagg, Bernard. Nok Terracottas. London: Ethnographica for the National Museum, 1977.
Lua MLA (9ú heag.)Fagg, Bernard. Nok Terracottas. Ethnographica for the National Museum, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.