Petroski, H. (1992). The pencil: A history of design and circumstance. New York: Alfred A. Knoff.
シカゴスタイル引用形Petroski, Henry. The Pencil: A History of Design and Circumstance. New York: Alfred A. Knoff, 1992.
MLA引用形式Petroski, Henry. The Pencil: A History of Design and Circumstance. New York: Alfred A. Knoff, 1992.
警告: この引用は必ずしも正確ではありません.