Williams, T. I. (1987). The history of invention. Facts on File.
Chicagoスタイル(17版)引用形式Williams, Trevor Illtyd. The History of Invention. New York, N Y: Facts on File, 1987.
MLA(9版)引用形式Williams, Trevor Illtyd. The History of Invention. Facts on File, 1987.
警告: この引用は必ずしも正確ではありません.