Mohd Zikry, Z. (2017). Service quality of domestic waste collection services in Batu District, Selayang Municipal Council, Selangor: The SERVQUAL approach.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohd Zikry, Zulkifle. Service Quality of Domestic Waste Collection Services in Batu District, Selayang Municipal Council, Selangor: The SERVQUAL Approach. 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mohd Zikry, Zulkifle. Service Quality of Domestic Waste Collection Services in Batu District, Selayang Municipal Council, Selangor: The SERVQUAL Approach. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.