Sri Lanka. Rājya Paripālana, Svadēśa Kaṭayutu, hā Văvili Karmānta Amātyāṃśaya. (1998). Child and maternal mortality in Sri Lanka, 1991. Registrar General's Dept., Ministry of Public Administration, Home Affairs and Plantation Industries.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sri Lanka. Rājya Paripālana, Svadēśa Kaṭayutu, hā Văvili Karmānta Amātyāṃśaya. Child and Maternal Mortality in Sri Lanka, 1991. Sri Lanka: Registrar General's Dept., Ministry of Public Administration, Home Affairs and Plantation Industries, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sri Lanka. Rājya Paripālana, Svadēśa Kaṭayutu, hā Văvili Karmānta Amātyāṃśaya. Child and Maternal Mortality in Sri Lanka, 1991. Registrar General's Dept., Ministry of Public Administration, Home Affairs and Plantation Industries, 1998.