Masahina, S. (2015). Economic valuation of air quality inprovement in transport sector in Klang Valley, Malaysia: Comparing the contingent valuation method and choice experiment. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Masahina, Sarabdeen. Economic Valuation of Air Quality Inprovement in Transport Sector in Klang Valley, Malaysia: Comparing the Contingent Valuation Method and Choice Experiment. Kuala Lumpur: Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Masahina, Sarabdeen. Economic Valuation of Air Quality Inprovement in Transport Sector in Klang Valley, Malaysia: Comparing the Contingent Valuation Method and Choice Experiment. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2015.