Não informado. (2022). Historic Preservation News. National Trust for Historic Preservation.
Chicago-viite (17. p.)Não informado. Historic Preservation News. Washington: National Trust for Historic Preservation, 2022.
MLA-viite (8. p.)Não informado. Historic Preservation News. National Trust for Historic Preservation, 2022.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.