(2003). Wastewater treatment plant design. Alexandria, VA: Water Environment Federation.
استشهاد بنمط شيكاغوWastewater Treatment Plant Design. Alexandria, VA: Water Environment Federation, 2003.
MLA استشهادWastewater Treatment Plant Design. Alexandria, VA: Water Environment Federation, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.