Nebes, 2023, pp. 330–332. Nebes, Norbert (2023). «Early Saba and Its Neighbors». En Radner, Karen; Moeller, Nadine; Potts, D. T., ed. The Oxford History of the Ancient Near East: The Age of Persia. Vol. 5. Oxford University Press. pp. 299-375. ISBN978-0-19-068766-3.
Nebes, 2023, pp. 308–309. Nebes, Norbert (2023). «Early Saba and Its Neighbors». En Radner, Karen; Moeller, Nadine; Potts, D. T., ed. The Oxford History of the Ancient Near East: The Age of Persia. Vol. 5. Oxford University Press. pp. 299-375. ISBN978-0-19-068766-3.