约书亚·奥本海默在互联网电影资料库(IMDb)上的資料(英文) Sheerly Avni, Filming the 'Killing' Fields: Joshua Oppenheimer on Making 'The Act of Killing' (页面存档备份,存于互联网档案馆), The Jewish Daily Forward
Clarke Next to See Murder in The Fields. DreadCentral. [2014-12-08]. (原始内容存档于2012-10-11). The Battle for 'The Fields' Continues With New Casting. BloodyDisgusting
Pantheon, 1972, p.37 Wilfred P. Deac, "Road to the KillingFields: The Cambodian War of 1970-1975" (Texas A&M University Press, 1997) pp. 61–2; Robert Dallek