Não informado. (2004). Expedition to South-West Arabia, 1937-1938. Trustees of the British Museum.
Cita Chicago Style (17a ed.)Não informado. Expedition to South-West Arabia, 1937-1938. London: Trustees of the British Museum, 2004.
Cita MLA (8a ed.)Não informado. Expedition to South-West Arabia, 1937-1938. Trustees of the British Museum, 2004.
Precaución: Estas citas no son 100% exactas.