Wimpress, J. K., & Newberry, C. F. (1998). The YC-14 STOL prototype: Its design, development, and flight test : an engineer's personal view of an airplane development. American Institute of Aeronautics and Astronautics.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wimpress, John K., و Conrad F. Newberry. The YC-14 STOL Prototype: Its Design, Development, and Flight Test : An Engineer's Personal View of an Airplane Development. Reston, Va.: American Institute of Aeronautics and Astronautics, 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wimpress, John K., و Conrad F. Newberry. The YC-14 STOL Prototype: Its Design, Development, and Flight Test : An Engineer's Personal View of an Airplane Development. American Institute of Aeronautics and Astronautics, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.