Boeing CEO admits design issues with 737 MAX as another critical internal email is made public. CNN. 2019-10-30 [2019-10-30]. (原始内容存档于2020-11-25). 航空主题
(PDF). [2023-11-06]. (原始内容存档 (PDF)于2016-04-21). Stewart, James. CISSP Certified Information Systems Security Professional Study Guide Sixth Edition. Canada: