1. Akerson, C. B. 1970. Ellwood Without Algebra. The Appraisal Journal, 38(2), 327.
2. Akerson, C.B. 2000. Capitalization Theory and Techniques. Second Edition. Chicago, Illinois. Appraisal Institute.
3. d’Amato, M., Siniak, N., & Mastrodonato, G. (2019). “Cyclical assets” and cyclical capitalization. Journal of European Real Estate Research, 12(2), 267–288. https://doi.org/10.1108/JERER-05-2018-0022
4. Ellwood, L. W. (1977). Ellwood tables for real estate appraising and financing: containing both explanatory text and tables Cambridge, Mass.: Published for the American Institute of Real Estate Appraisers of the National Association of Realtors [by] Ballinger Pub. Co., Fourth edition, c1977. (First edition -1957)
5. Epley, Donald R. 2007. Impact of the Ellwood Approach on Value. The Appraisal Journal, 75 (3), 295-297.