(2002). Air pollution (2nd ed.). Spon.
Chicago-čujuhus (17. p.)Air Pollution. 2nd ed. London: Spon, 2002.
MLA-čujuhus (9. p.)Air Pollution. 2nd ed. Spon, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
(2002). Air pollution (2nd ed.). Spon.
Chicago-čujuhus (17. p.)Air Pollution. 2nd ed. London: Spon, 2002.
MLA-čujuhus (9. p.)Air Pollution. 2nd ed. Spon, 2002.