(1992). Historic structure report symposium: February 25-26, 1991, Washington, D.C. Washington, DC.: The American Architectural Foundation.
Παραπομπή Chicago StyleHistoric Structure Report Symposium: February 25-26, 1991, Washington, D.C. Washington, DC.: The American Architectural Foundation, 1992.
Παραπομπή MLAHistoric Structure Report Symposium: February 25-26, 1991, Washington, D.C. Washington, DC.: The American Architectural Foundation, 1992.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.