Engel, J. A. (2007). Cold War at 30,000 feet: The Anglo-American fight for aviation supremacy. Harvard University Press.
Chicagoスタイル(17版)引用形式Engel, Jeffrey A. Cold War at 30,000 Feet: The Anglo-American Fight for Aviation Supremacy. Cambridge, Mass.: Harvard University Press, 2007.
MLA(9版)引用形式Engel, Jeffrey A. Cold War at 30,000 Feet: The Anglo-American Fight for Aviation Supremacy. Harvard University Press, 2007.
警告: この引用は必ずしも正確ではありません.