Romans (De Re Militari). Digital Attic 2.0. Brevik, Mads. 2001 [2014-06-30]. (原始内容存档于2007-08-25). 引文使用过时参数coauthors (帮助) Books I-III only. The unknown editor
William; Album, Stephen, Marsden's Numismata orientalia illustrata, AtticBooks, 1977, ISBN 0915018160 (英文)Izady, Mehrdad R., The Kurds: a concise handbook
(原始内容存档 (PDF)于2015-09-24). Margaret Mead and Humanity’s Coming of Age. The Attic. [18 July 2018]. (原始内容存档于2019-06-08). Encyclopædia Britannica's Guide to