Rypkema, D. D. (2014). The economics of historic preservation: A community leader's guide (Third edition.). PlaceEconomics.
Chicago-referens (17:e uppl.)Rypkema, Donovan D. The Economics of Historic Preservation: A Community Leader's Guide. Third edition. Washington, D.C.: PlaceEconomics, 2014.
MLA-referens (8:e uppl.)Rypkema, Donovan D. The Economics of Historic Preservation: A Community Leader's Guide. Third edition. PlaceEconomics, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.