Granjou/celine. (2016). Environmental Changes. ISTE press LTD.
Chicago-čujuhus (17. p.)Granjou/celine. Environmental Changes. London: ISTE press LTD, 2016.
MLA-čujuhus (9. p.)Granjou/celine. Environmental Changes. ISTE press LTD, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.