Cita APA

British standard 978: Part 3: 1952. (1952). Gears for instruments and clockwork mechanisms. Part 3: Bevel gears. British standards institution.

Citación estilo Chicago

British standard 978: Part 3: 1952. Gears for Instruments and Clockwork Mechanisms. Part 3: Bevel Gears. London: British standards institution, 1952.

Cita MLA

British standard 978: Part 3: 1952. Gears for Instruments and Clockwork Mechanisms. Part 3: Bevel Gears. London: British standards institution, 1952.