APA-referens (7:e uppl.)
(Dec 30, 2024). Air Plan Approval; Illinois; Alton Township 2010 Sulfur Dioxide Redesignation and Maintenance Plan. Environmental Protection Agency Documents and Publications.
Chicago-referens (17:e uppl.)
"Air Plan Approval; Illinois; Alton Township 2010 Sulfur Dioxide Redesignation and Maintenance Plan." Environmental Protection Agency Documents and Publications Dec 30, 2024.
MLA-referens (9:e uppl.)
"Air Plan Approval; Illinois; Alton Township 2010 Sulfur Dioxide Redesignation and Maintenance Plan." Environmental Protection Agency Documents and Publications, Dec 30, 2024.
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