ISAAC, D. (2002). Property valuation principles. Palgrave.
Lua i Stíl Chicago (17ú heag.)ISAAC, David. Property Valuation Principles. Palgrave, 2002.
Lua MLA (9ú heag.)ISAAC, David. Property Valuation Principles. Palgrave, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.