Washington (State). Legislature. Senate. Ad Hoc Committee on Historic Preservation & Williams, A. (1981). Historic preservation in the State of Washington: Final report of the Ad Hoc Committee on Historic Preservation of the Washington State Senate. The Committee.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Washington (State). Legislature. Senate. Ad Hoc Committee on Historic Preservation và Al Williams. Historic Preservation in the State of Washington: Final Report of the Ad Hoc Committee on Historic Preservation of the Washington State Senate. [Olympia, Wash.] (101 Senate Office Building, Olympia 98504): The Committee, 1981.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Washington (State). Legislature. Senate. Ad Hoc Committee on Historic Preservation và Al Williams. Historic Preservation in the State of Washington: Final Report of the Ad Hoc Committee on Historic Preservation of the Washington State Senate. The Committee, 1981.