Cita APA (7a ed.)
Country Fact Sheets: Sudan. Superintendent of Documents.
Cita Chicago Style (17a ed.)
Country Fact Sheets: Sudan. Superintendent of Documents.
Cita MLA (9a ed.)
Country Fact Sheets: Sudan. Superintendent of Documents.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.