Lua APA (7ú heag.)
Perkins, C. D., & Hage,Robert E. (1949). Airplane performance: Stability & control. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)
Perkins, Courtland D., agus Hage,Robert E. Airplane Performance: Stability & Control. New York: John Wiley & Sons, 1949.
Lua MLA (9ú heag.)
Perkins, Courtland D., agus Hage,Robert E. Airplane Performance: Stability & Control. John Wiley & Sons, 1949.
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