(1994). Handbook of Environmental Education. Taylor & Francis.
Chicago-čujuhus (17. p.)Handbook of Environmental Education. Taylor & Francis, 1994.
MLA-čujuhus (9. p.)Handbook of Environmental Education. Taylor & Francis, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.