Cita APA

British standard 436: Part 2: 1970. (1970). Specification for spur and helical gears: Part 2: Basic rack form, modules and accuracy. British standards institution.

Citación estilo Chicago

British standard 436: Part 2: 1970. Specification for Spur and Helical Gears: Part 2: Basic Rack Form, Modules and Accuracy. London: British standards institution, 1970.

Cita MLA

British standard 436: Part 2: 1970. Specification for Spur and Helical Gears: Part 2: Basic Rack Form, Modules and Accuracy. London: British standards institution, 1970.