Não informado. (1974). Tribology International: The practice & technology of lubrication, wear prevention & friction control. Butterworth Scientific.
Citação do estilo Chicago (17ª ed.)Não informado. Tribology International: The Practice & Technology of Lubrication, Wear Prevention & Friction Control. Guildford, Inglaterra: Butterworth Scientific, 1974.
Citação MLA (8ª ed.)Não informado. Tribology International: The Practice & Technology of Lubrication, Wear Prevention & Friction Control. Butterworth Scientific, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.