Freeman, A. M. (1982). Air and water pollutions control: A benefit-cost assessment. John Wiley and Sons.
Chicago-viite (17. p.)Freeman, A. Myrick. Air and Water Pollutions Control: A Benefit-cost Assessment. John Wiley and Sons, 1982.
MLA-viite (9. p.)Freeman, A. Myrick. Air and Water Pollutions Control: A Benefit-cost Assessment. John Wiley and Sons, 1982.
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