感光性Anderson, D.M.; Keith, J.; Novac, P.; Elliott, M.A. (编). Dorland's Illustrated Medical Dictionary 28th. W. B. Saunders Company. 1994. ISBN 0721655777. JH Epstein
外星贸易公司Offworld Trading Company Review. IGN. IGN. April 28, 2016 [March 1, 2016]. (原始内容存档于2017-02-27). Elliott, Matt. Offworld Trading Company Review. PC Gamer