Sutcliffe, Peter L. The Boeing 7J7—The evolution of technology and design. International Pacific Air and Space Technology Conference and Exposition. SAE 1987 Transactions: Aerospace 96 (Melbourne, Australia: SAE International). November 13, 1987: 6.1757–6.1768 (September 1988). ISSN 0096-736X. JSTOR 44473078. OCLC 939484633. doi:10.4271/872405.请检查|publication-date=中的日期值 (帮助)
Sutcliffe, Peter L. The Boeing 7J7—The evolution of technology and design. International Pacific Air and Space Technology Conference and Exposition. SAE 1987 Transactions: Aerospace 96 (Melbourne, Australia: SAE International). November 13, 1987: 6.1757–6.1768 (September 1988). ISSN 0096-736X. JSTOR 44473078. OCLC 939484633. doi:10.4271/872405.请检查|publication-date=中的日期值 (帮助)
DiMaria, Eugene. Propfan engine seen catalyst for change. American Metal Market. Vol. 93 (Euromoney Trading Limited). June 3, 1985: 1+. ISSN 0002-9998.
Sutcliffe, Peter L. The Boeing 7J7—The evolution of technology and design. International Pacific Air and Space Technology Conference and Exposition. SAE 1987 Transactions: Aerospace 96 (Melbourne, Australia: SAE International). November 13, 1987: 6.1757–6.1768 (September 1988). ISSN 0096-736X. JSTOR 44473078. OCLC 939484633. doi:10.4271/872405.请检查|publication-date=中的日期值 (帮助)