Che Lah, N. L. (2018). Analysis of road accident cases in Petaling Jaya using: Geographical information system [GIS] application between year 2014 and 2015 / Nik Lailawati Che Lah.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Che Lah, Nik Lailawati. Analysis of Road Accident Cases in Petaling Jaya Using: Geographical Information System [GIS] Application Between Year 2014 and 2015 / Nik Lailawati Che Lah. 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Che Lah, Nik Lailawati. Analysis of Road Accident Cases in Petaling Jaya Using: Geographical Information System [GIS] Application Between Year 2014 and 2015 / Nik Lailawati Che Lah. 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.