Department of Standards Malaysia & SIRIM. (2003). Electrical accessories - portable residual current devices without integral overcurrent protection for household and similar use (PRCDs) (IEC 61540: 1999, IDT). Department of Standards Malaysia.
Cita Chicago (17th ed.)Department of Standards Malaysia i SIRIM. Electrical Accessories - Portable Residual Current Devices Without Integral Overcurrent Protection for Household and Similar Use (PRCDs) (IEC 61540: 1999, IDT). Putrajaya: Department of Standards Malaysia, 2003.
Cita MLA (8th ed.)Department of Standards Malaysia i SIRIM. Electrical Accessories - Portable Residual Current Devices Without Integral Overcurrent Protection for Household and Similar Use (PRCDs) (IEC 61540: 1999, IDT). Department of Standards Malaysia, 2003.