Institution, 8. B. S. (1987). Domestic pressure cookers. London : British Standards Institution.
Cita Chicago (17th ed.)Institution, 8096 British Standards. Domestic Pressure Cookers. London : British Standards Institution, 1987.
Cita MLA (9th ed.)Institution, 8096 British Standards. Domestic Pressure Cookers. London : British Standards Institution, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.