Jewkes, J. (1960). The sources of invention. New York: St. Martin's Press.
シカゴスタイル引用形Jewkes, John. The Sources of Invention. New York: St. Martin's Press, 1960.
MLA引用形式Jewkes, John. The Sources of Invention. New York: St. Martin's Press, 1960.
警告: この引用は必ずしも正確ではありません.