HAMMOND ALLEN. (1998). WHICH WORLD? SCENARIOS FOR THE 21ST CENTURY. EARTHSCAN.
Chicago-čujuhus (17. p.)HAMMOND ALLEN. WHICH WORLD? SCENARIOS FOR THE 21ST CENTURY. LONDON: EARTHSCAN, 1998.
MLA-čujuhus (9. p.)HAMMOND ALLEN. WHICH WORLD? SCENARIOS FOR THE 21ST CENTURY. EARTHSCAN, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.