Norhidayah binti Ahmad. (2014). Assessment of indoor air quality (IAQ) level and sick building syndrome according to the ages of building in Universiti Teknologi Malaysia. Faculty of Engineering, Universiti Teknologi Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Norhidayah binti Ahmad. Assessment of Indoor Air Quality (IAQ) Level and Sick Building Syndrome According to the Ages of Building in Universiti Teknologi Malaysia. Skudai, Johor: Faculty of Engineering, Universiti Teknologi Malaysia, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Norhidayah binti Ahmad. Assessment of Indoor Air Quality (IAQ) Level and Sick Building Syndrome According to the Ages of Building in Universiti Teknologi Malaysia. Faculty of Engineering, Universiti Teknologi Malaysia, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.