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Chicago-čujuhus (17. p.)ebrary, Inc, Francesco Lo Piccolo, juo Huw Thomas. Ethics and Planning Research. Farnham, Surrey, England: Ashgate Pub., 2009.
MLA-čujuhus (9. p.)ebrary, Inc, et al. Ethics and Planning Research. Ashgate Pub., 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.