Williams, H. L., & Williams, O. K. (1966). Great houses of America. Putnam.
Chicagoスタイル(17版)引用形式Williams, Henry Lionel, , Ottalie K. Williams. Great Houses of America. New York: Putnam, 1966.
MLA(8版)引用形式Williams, Henry Lionel, , Ottalie K. Williams. Great Houses of America. Putnam, 1966.
警告: この引用は必ずしも正確ではありません.