Não informado. (1974). Tribology International: The practice & technology of lubrication, wear prevention & friction control. Butterworth Scientific.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Tribology International: The Practice & Technology of Lubrication, Wear Prevention & Friction Control. Guildford, Inglaterra: Butterworth Scientific, 1974.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Tribology International: The Practice & Technology of Lubrication, Wear Prevention & Friction Control. Butterworth Scientific, 1974.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.