P. Ragubathy P. R. (1998). Environmental accounting and cost benefit analysis for major infrastructure projects as applied to the Malaysian context: Analytical method development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)P. Ragubathy P. R. Environmental Accounting and Cost Benefit Analysis for Major Infrastructure Projects as Applied to the Malaysian Context: Analytical Method Development. 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)P. Ragubathy P. R. Environmental Accounting and Cost Benefit Analysis for Major Infrastructure Projects as Applied to the Malaysian Context: Analytical Method Development. 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.