Não informado. (1968). Civil hydraulics and aerodynamics. British Hydromechanics Research Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Civil Hydraulics and Aerodynamics. Cranfield, Inglaterra: British Hydromechanics Research Association, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Civil Hydraulics and Aerodynamics. British Hydromechanics Research Association, 1968.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.