(1920). Journal of institution of engineers (India): Environmental engineering division. Institution of engineers.
استشهاد بنمط شيكاغوJournal of Institution of Engineers (India): Environmental Engineering Division. India: Institution of engineers, 1920.
MLA استشهادJournal of Institution of Engineers (India): Environmental Engineering Division. Institution of engineers, 1920.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.