ISBN 978-0-8264-1615-5. (原始内容存档于2017-02-15). Unterberger 1998,第174頁. Savage, Jon. Elektronische musik: a guide to krautrock. The Guardian. [2016-06-14]
Graham – Chart history. Billboard. [2016-04-03]. (原始内容存档于2019-04-07). (英文)Savage, Mark. Lukas Graham top charts for fifth week. BBC. 2016-03-11 [2016-04-03]