Strange , T. &. ,. (2010). Sustainable Development.
Chicago-čujuhus (17. p.)Strange , Tracey &Bayley ,Anne. Sustainable Development. New Delhi, 2010.
MLA-čujuhus (9. p.)Strange , Tracey &Bayley ,Anne. Sustainable Development. 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.