Rypkema, D. D. (1998). The economics of historic preservation: A community leader's guide (1. ed.). National Trust for Historic Preservation.
Chicago-Zitierstil (17. Ausg.)Rypkema, Donovan D. The Economics of Historic Preservation: A Community Leader's Guide. 1. ed. Washington, D.C: National Trust for Historic Preservation, 1998.
MLA-Zitierstil (9. Ausg.)Rypkema, Donovan D. The Economics of Historic Preservation: A Community Leader's Guide. 1. ed. National Trust for Historic Preservation, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.