Power, T. (2010). The Origin and Development of the Sudanese Ports (‘Aydhâb, Bâ/di‘, Sawâkin)in the early Islamic Period. URI:https://journals.openedition.org/cy.
Lua i Stíl Chicago (17ú heag.)Power, Tim. "The Origin and Development of the Sudanese Ports (‘Aydhâb, Bâ/di‘, Sawâkin)in the Early Islamic Period." URI:https://journals.openedition.org/cy 2010.
Lua MLA (8ú heag.)Power, Tim. "The Origin and Development of the Sudanese Ports (‘Aydhâb, Bâ/di‘, Sawâkin)in the Early Islamic Period." URI:https://journals.openedition.org/cy, 2010.
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