ebrary, Inc, American Society of Civil Engineers, & Environmental and Water Resources Institute (U.S.). (2011). Guidelines for the physical security of water utilities, ANSI/ASCE/EWRI 56-10: Guidelines for the physical security of wastewater/stormwater utilities, ANSI/ASCE/EWRI 57-10. American Society of Civil Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, American Society of Civil Engineers, و Environmental and Water Resources Institute (U.S.). Guidelines for the Physical Security of Water Utilities, ANSI/ASCE/EWRI 56-10: Guidelines for the Physical Security of Wastewater/stormwater Utilities, ANSI/ASCE/EWRI 57-10. Reston, VA: American Society of Civil Engineers, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, et al. Guidelines for the Physical Security of Water Utilities, ANSI/ASCE/EWRI 56-10: Guidelines for the Physical Security of Wastewater/stormwater Utilities, ANSI/ASCE/EWRI 57-10. American Society of Civil Engineers, 2011.