E. A. Knauf. (1999). Qos [in] Karel van der Toorn, Bob Becking, Pieter Willem van der Horst [eds.], Dictionary of Deities and Demons in the Bible, pp.674-677. Wm. B. Eerdmans Publishing: “This clan or family must have been of Edomite or Idumaean origin.” (p.677). نسخة محفوظة 2023-09-02 على موقع واي باك مشين.
David F. Graf. (2013). "Petra and the Nabataeans in the Early Hellenistic Period: the literary and archaeological evidence." [in] Michel Mouton, Stephan G. Schmid [eds.] Men on the Rocks: The Formation of Nabataean Petra, pp.35–55, p.47. Logos Verlag Berlin GmbH. نسخة محفوظة 2023-01-21 على موقع واي باك مشين.
Diana V.Edelman. (1995). "Solomon's Adversaries Hadad, Rezon and Jeroboam: A trio of 'bad guy' characters illustrating the theology of immediate retribution." [in] Steven W. Holloway, Lowell K. Handy [eds.] The Pitcher is Broken: Memorial Essays for Gösta W. Ahlstrom, pp.166–190, p.180 n.34. Sheffield Academic Press. نسخة محفوظة 2016-05-15 على موقع واي باك مشين.
E. A. Knauf. (1999). Qos [in] Karel van der Toorn, Bob Becking, Pieter Willem van der Horst [eds.], Dictionary of Deities and Demons in the Bible, pp.674-677. Wm. B. Eerdmans Publishing: “This clan or family must have been of Edomite or Idumaean origin.” (p.677). نسخة محفوظة 2023-09-02 على موقع واي باك مشين.
David F. Graf. (2013). "Petra and the Nabataeans in the Early Hellenistic Period: the literary and archaeological evidence." [in] Michel Mouton, Stephan G. Schmid [eds.] Men on the Rocks: The Formation of Nabataean Petra, pp.35–55, p.47. Logos Verlag Berlin GmbH. نسخة محفوظة 2023-01-21 على موقع واي باك مشين.
Diana V.Edelman. (1995). "Solomon's Adversaries Hadad, Rezon and Jeroboam: A trio of 'bad guy' characters illustrating the theology of immediate retribution." [in] Steven W. Holloway, Lowell K. Handy [eds.] The Pitcher is Broken: Memorial Essays for Gösta W. Ahlstrom, pp.166–190, p.180 n.34. Sheffield Academic Press. نسخة محفوظة 2016-05-15 على موقع واي باك مشين.