Bell, M. M. (2012). Invitation to Environmental Sociology (4th.). Sage Publication.
Chicago-čujuhus (17. p.)Bell, Michael M. Invitation to Environmental Sociology. 4th. Sage Publication, 2012.
MLA-čujuhus (9. p.)Bell, Michael M. Invitation to Environmental Sociology. 4th. Sage Publication, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.