Kerala (India). Department of Economics & Statistics. (2013). Infrastructure statistics of Kerala. Department of Economics and Statistics, Government of Kerala.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kerala (India). Department of Economics & Statistics. Infrastructure Statistics of Kerala. [Thiruvananthapuram]: Department of Economics and Statistics, Government of Kerala, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kerala (India). Department of Economics & Statistics. Infrastructure Statistics of Kerala. Department of Economics and Statistics, Government of Kerala, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.