Rypkema, D. D. (2014). The economics of historic preservation: A community leader's guide (Third edition.). PlaceEconomics.
Lua i Stíl Chicago (17ú heag.)Rypkema, Donovan D. The Economics of Historic Preservation: A Community Leader's Guide. Third edition. Washington, D.C.: PlaceEconomics, 2014.
Lua MLA (8ú heag.)Rypkema, Donovan D. The Economics of Historic Preservation: A Community Leader's Guide. Third edition. PlaceEconomics, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.