Hafidzoh Mukhtar. (2011). Ride Through of the adjustable speed drive due to unsymmetrical voltage sags. School of Electrical System Engineering, University Malaysia Perlis.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hafidzoh Mukhtar. Ride Through of the Adjustable Speed Drive Due to Unsymmetrical Voltage Sags. Kangar, Perlis: School of Electrical System Engineering, University Malaysia Perlis, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hafidzoh Mukhtar. Ride Through of the Adjustable Speed Drive Due to Unsymmetrical Voltage Sags. School of Electrical System Engineering, University Malaysia Perlis, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.