Water Pollution Control Federation Research Foundation, CH2M HILL (Firm), & Smollen, M. D. (1990). Nonpoint source impact assessment. Water Pollution Control Federation Research Foundation.
Chicago Style (17th ed.) CitationWater Pollution Control Federation Research Foundation, CH2M HILL (Firm), and Michael D. Smollen. Nonpoint Source Impact Assessment. Alexandria, VA: Water Pollution Control Federation Research Foundation, 1990.
MLA (9th ed.) CitationWater Pollution Control Federation Research Foundation, et al. Nonpoint Source Impact Assessment. Water Pollution Control Federation Research Foundation, 1990.
Warning: These citations may not always be 100% accurate.