APA-čujuhus (7. p.)
Barthwal, R. (2014). Environmental impact assessment (2nd ed.). New Age International.
Chicago-čujuhus (17. p.)
Barthwal, R.R. Environmental Impact Assessment. 2nd ed. Kolkata: New Age International, 2014.
MLA-čujuhus (9. p.)
Barthwal, R.R. Environmental Impact Assessment. 2nd ed. New Age International, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.