Parsch, Andreas. BG Series (BG-1 through BG-3). Directory of U.S. Military Rockets and Missiles, Appendix 1: Early Missiles and Drones. Designation-Systems. 25 June 2009 [2017-12-14]. (原始内容存档于2023-11-11).
Parsch, Andreas. PQ Series (PQ-8 through PQ-15). Directory of U.S. Military Rockets and Missiles, Appendix 1: Early Missiles and Drones. Designation-Systems. 7 February 2012 [2017-12-14]. (原始内容存档于2023-06-09).