Klemm, F. (1991). A history of Western technology. London: Iowa State University.
シカゴスタイル引用形Klemm, Friedrich. A History of Western Technology. London: Iowa State University, 1991.
MLA引用形式Klemm, Friedrich. A History of Western Technology. London: Iowa State University, 1991.
警告: この引用は必ずしも正確ではありません.