British Museum., Adams, N., & Entwistle, C. Gems of Heaven: Recent research in engraved gemstones in late antiquity, c.AD 200-600.
استشهاد بنمط شيكاغوBritish Museum., Noël Adams, و Christopher Entwistle. Gems of Heaven: Recent Research in Engraved Gemstones in Late Antiquity, C.AD 200-600.
MLA استشهادBritish Museum., Noël Adams, و Christopher Entwistle. Gems of Heaven: Recent Research in Engraved Gemstones in Late Antiquity, C.AD 200-600.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.