↑ Richard Nelson Frye, The History of Ancient Iran(C.H.Beck, 1984) p277.
↑ Daniel T. Potts, Araby the Blest: Studies in Arabian Archaeology (Museum Tusculanum Press, 1988) p 141.
↑ Monika Schuol: Die Charakene. Ein mesopotamisches Königreich in hellenistisch-parthischer Zeit, Stuttgart 2000, p. 220-221, 300-303 ISBN3-515-07709-X.
↑ Daniel T. Potts, Araby the Blest: Studies in Arabian Archaeology (Museum Tusculanum Press, 1988) p153.