Não informado. (2004). Expedition to South-West Arabia, 1937-1938. Trustees of the British Museum.
Lua i Stíl Chicago (17ú heag.)Não informado. Expedition to South-West Arabia, 1937-1938. London: Trustees of the British Museum, 2004.
Lua MLA (8ú heag.)Não informado. Expedition to South-West Arabia, 1937-1938. Trustees of the British Museum, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.