U.S. Environmental Protection Agency. Principles of design and operations of wastewater treatment pond systems for plant operators, engineers, and managers.
Cytowanie według stylu Chicago (wyd. 17)U.S. Environmental Protection Agency. Principles of Design and Operations of Wastewater Treatment Pond Systems for Plant Operators, Engineers, and Managers.
Cytowanie według stylu MLA (wyd. 9)U.S. Environmental Protection Agency. Principles of Design and Operations of Wastewater Treatment Pond Systems for Plant Operators, Engineers, and Managers.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..