Badriyah Bt Zakaria. (2007). Awareness among local authority officers towards local agenda 21 (LA21): Case study of City Hall Kuala Lumpur (DBKL). Kulliyyah of Architecture and Environmental Design, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Badriyah Bt Zakaria. Awareness Among Local Authority Officers Towards Local Agenda 21 (LA21): Case Study of City Hall Kuala Lumpur (DBKL). Gombak. Selangor: Kulliyyah of Architecture and Environmental Design, International Islamic University Malaysia, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Badriyah Bt Zakaria. Awareness Among Local Authority Officers Towards Local Agenda 21 (LA21): Case Study of City Hall Kuala Lumpur (DBKL). Kulliyyah of Architecture and Environmental Design, International Islamic University Malaysia, 2007.