(1994). Living Earth: Resource for learning. Hodder & Sloughton.
Chicago-čujuhus (17. p.)Living Earth: Resource for Learning. London: Hodder & Sloughton, 1994.
MLA-čujuhus (9. p.)Living Earth: Resource for Learning. Hodder & Sloughton, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.