Morton, H. T. (1965). Anti-friction bearings. s.n.
Chicago Style aipamenaMorton, Hudson T. Anti-friction Bearings. Ann Arbor: s.n, 1965.
MLA aipamenaMorton, Hudson T. Anti-friction Bearings. s.n, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.