National Conference on Environmental Engineering Boulder, Colo, University of Colorado, Boulder, American Society of Civil Engineers. Environmental Engineering Division, American Society of Civil Engineers. Colorado Section, Medine, A., & Anderson, M. (1983). 1983 National Conference on Environmental Engineering: Proceedings of the ASCE specialty conference, Hilton Harvest House, Boulder, Colorado, July 6-8, 1983. ASCE.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Conference on Environmental Engineering Boulder, Colo, Boulder University of Colorado, American Society of Civil Engineers. Environmental Engineering Division, American Society of Civil Engineers. Colorado Section, Allen Medine, و Michael Anderson. 1983 National Conference on Environmental Engineering: Proceedings of the ASCE Specialty Conference, Hilton Harvest House, Boulder, Colorado, July 6-8, 1983. New York, N.Y.: ASCE, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Conference on Environmental Engineering Boulder, Colo, et al. 1983 National Conference on Environmental Engineering: Proceedings of the ASCE Specialty Conference, Hilton Harvest House, Boulder, Colorado, July 6-8, 1983. ASCE, 1983.