Centre, UNESCO World Heritage. "Old Walled City of Shibam". UNESCO World Heritage Centre (بالإنجليزية). Archived from the original on 2022-10-23. Retrieved 2023-01-17.
Centre, UNESCO World Heritage. "Old Walled City of Shibam". UNESCO World Heritage Centre (بالإنجليزية). Archived from the original on 2022-10-23. Retrieved 2023-01-17.