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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPressure Vessels and Piping Conference, San Antonio, Tex., American Society of Mechanical Engineers. Pressure Vessels and Piping Division, Nicholas Perrone, এবং Edward B. Magrab. Some Perspectives on CAD/CAM in Mechanical Engineering. New York, N.Y. (345 E. 47 St., New York 10017): American Society of Mechanical Engineers, 1984.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিPressure Vessels and Piping Conference, San Antonio, Tex., et al. Some Perspectives on CAD/CAM in Mechanical Engineering. American Society of Mechanical Engineers, 1984.