Cita APA (7a ed.)

British Standards Institution. (2001). BS EN 13906-3:2001: Cylindrical helical springs made from round wire and bar-Calculation and design- Part 3. Torsion springs. European Comittee for standardization.

Cita Chicago Style (17a ed.)

British Standards Institution. BS EN 13906-3:2001: Cylindrical Helical Springs Made from Round Wire and Bar-Calculation and Design- Part 3. Torsion Springs. Bruselas: European Comittee for standardization, 2001.

Cita MLA (9a ed.)

British Standards Institution. BS EN 13906-3:2001: Cylindrical Helical Springs Made from Round Wire and Bar-Calculation and Design- Part 3. Torsion Springs. European Comittee for standardization, 2001.