Butler, J. (1981). The economics of historic country houses. Policy Studies Institute.
Chicago Style (17th ed.) CitationButler, John. The Economics of Historic Country Houses. London: Policy Studies Institute, 1981.
ציטוט MLAButler, John. The Economics of Historic Country Houses. Policy Studies Institute, 1981.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.