Não informado. (1975). Hydraulic pneumatic mechanical power drives, transmissions and controls. Trade & Technical Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Hydraulic Pneumatic Mechanical Power Drives, Transmissions and Controls. Morden, Inglaterra: Trade & Technical Press, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Hydraulic Pneumatic Mechanical Power Drives, Transmissions and Controls. Trade & Technical Press, 1975.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.