1. Baum A., Crosby N., 1988, Property Investment Appraisal, London: Routledge,
2. Baum A.E., Crosby N., 2014, Property Investment Appraisal, 3; 3rd; edn, Wiley-Blackwell, Hoboken,
3. Baum A., Nunnington N., Mackmin D., 2012, The Income Approach to Property Valuation, 1st ed. Hoboken: Taylor and Francis,10.4324/9780080966915
4. Ball M., Lizieri C., Macgregor B., 1998, The Economics of Commercial Property Markets, illustrat;1; edn, Routledge Ltd, GB,
5. Bello M.O., Bello V.A., 2007, The Influence of Contemporary Models on Valuation Practice in Nigeria, Strategic Integration of Surveying Services, Hog Kong SAR, China 13-17 May 2007,