Webb, R. M. T. (2000). Assessment of the habitats, biota, sediments, and water quality near the discharge of primary-treated effluent from the Mayagüez Regional Wastewater Treatment Plant, Bahía de Añasco, Puerto Rico. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationWebb, Richard M. T. Assessment of the Habitats, Biota, Sediments, and Water Quality Near the Discharge of Primary-treated Effluent from the Mayagüez Regional Wastewater Treatment Plant, Bahía De Añasco, Puerto Rico. San Juan, Puerto Rico: U.S. Department of the Interior, U.S. Geological Survey, 2000.
MLA (9th ed.) CitationWebb, Richard M. T. Assessment of the Habitats, Biota, Sediments, and Water Quality Near the Discharge of Primary-treated Effluent from the Mayagüez Regional Wastewater Treatment Plant, Bahía De Añasco, Puerto Rico. U.S. Department of the Interior, U.S. Geological Survey, 2000.