Betts, Richard M. Basic real estate appraisal / Richard M. Betts, Silas J. Ely. - Englewood Cliffs, N. J. : Prentice Hall, c1990. - xiii, 480p. : ill. ; 27 cm. Glossary : p. 461 - 473. Includes index. ISBN: 0130656992 Subjects--Topical Terms: Real property--Valuation.