Kalu, I. (2001). Property valuation and appraisal. Bon publication.
Chicago-čujuhus (17. p.)Kalu, I.U. Property Valuation and Appraisal. Bon publication, 2001.
MLA-čujuhus (9. p.)Kalu, I.U. Property Valuation and Appraisal. Bon publication, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.