Hays, S. (1973). The chemicals and allied industries. London: Heinemann Educational.
シカゴスタイル引用形Hays, Samuel. The Chemicals and Allied Industries. London: Heinemann Educational, 1973.
MLA引用形式Hays, Samuel. The Chemicals and Allied Industries. London: Heinemann Educational, 1973.
警告: この引用は必ずしも正確ではありません.