Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (2004). Expedition to South-West Arabia, 1937-1938. Trustees of the British Museum.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Expedition to South-West Arabia, 1937-1938. London: Trustees of the British Museum, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Expedition to South-West Arabia, 1937-1938. Trustees of the British Museum, 2004.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.