Institution of Public Health Engineers, India. Journal of the Institution of Public Health Engineers, India. Institution of Public Health Engineers, India.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Institution of Public Health Engineers, India. Journal of the Institution of Public Health Engineers, India. Kolkata: Institution of Public Health Engineers, India.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Institution of Public Health Engineers, India. Journal of the Institution of Public Health Engineers, India. Institution of Public Health Engineers, India.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.