Freeman, A. M. (1982). Air and water pollutions control: A benefit-cost assessment. John Wiley and Sons.
Chicago-čujuhus (17. p.)Freeman, A. Myrick. Air and Water Pollutions Control: A Benefit-cost Assessment. John Wiley and Sons, 1982.
MLA-čujuhus (9. p.)Freeman, A. Myrick. Air and Water Pollutions Control: A Benefit-cost Assessment. John Wiley and Sons, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.