KOLSTAD CHARLES D. (2000). ENVIRONMENTAL ECONOMICS. OXFORD UNIVERSITY PRESS.
Chicago-čujuhus (17. p.)KOLSTAD CHARLES D. ENVIRONMENTAL ECONOMICS. NEW YORK: OXFORD UNIVERSITY PRESS, 2000.
MLA-čujuhus (9. p.)KOLSTAD CHARLES D. ENVIRONMENTAL ECONOMICS. OXFORD UNIVERSITY PRESS, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.