United States. Army. Air Corps. (1920). Performance test of Roland D-VI-B with 200 h.p. Benz engine. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Air Corps. Performance Test of Roland D-VI-B with 200 H.p. Benz Engine. Washington: U.S. GPO, 1920.
MLA (9th ed.) CitationUnited States. Army. Air Corps. Performance Test of Roland D-VI-B with 200 H.p. Benz Engine. U.S. GPO, 1920.
Warning: These citations may not always be 100% accurate.