Environmental and Water Resources Institute (U.S.). Groundwater Council. Excellence in Water Resources Education Task Committee, ebrary, Inc, Hilton, A. B. C., & Neupauer, R. M. (2013). H2OH!: Classroom demonstrations for water concepts. American Society of Civil Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Environmental and Water Resources Institute (U.S.). Groundwater Council. Excellence in Water Resources Education Task Committee, Inc ebrary, Amy B. Chan Hilton, و Roseanna M. Neupauer. H2OH!: Classroom Demonstrations for Water Concepts. Reston, Va.: American Society of Civil Engineers, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Environmental and Water Resources Institute (U.S.). Groundwater Council. Excellence in Water Resources Education Task Committee, et al. H2OH!: Classroom Demonstrations for Water Concepts. American Society of Civil Engineers, 2013.