Gervais, Edward L. Boeing Current and Future Product Review(PDF). Presentation to Federal Aviation Administration Great Lakes Region 23<suprd Annual Airport Conference. Boeing Commercial Airplanes: 54. 2007-11-29 [2008-03-18]. (原始内容(PDF)存档于2008-03-19).
Gervais, Edward L. Boeing Current and Future Product Review(PDF). Presentation to Federal Aviation Administration Great Lakes Region 23<suprd Annual Airport Conference. Boeing Commercial Airplanes: 54. 2007-11-29 [2008-03-18]. (原始内容(PDF)存档于2008-03-19).