North American Metalworking Research Conference University of Michigan, American Society of Mechnical Engineers, & Society of Manufacturing Engineers. (1979). Seventheen North American Metalworking Conference: Proceedings, May 13-16, 1979 University of Michigan, Ann Arbor, Michigan. Society of Manufacturing Engineers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNorth American Metalworking Research Conference University of Michigan, American Society of Mechnical Engineers, এবং Society of Manufacturing Engineers. Seventheen North American Metalworking Conference: Proceedings, May 13-16, 1979 University of Michigan, Ann Arbor, Michigan. Dearborn, Mich.: Society of Manufacturing Engineers, 1979.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNorth American Metalworking Research Conference University of Michigan, et al. Seventheen North American Metalworking Conference: Proceedings, May 13-16, 1979 University of Michigan, Ann Arbor, Michigan. Society of Manufacturing Engineers, 1979.