Raverna, O. (1979). Biological aspectesof fresh water. Commission of the european communities.
シカゴスタイル引用形Raverna, O. Biological Aspectesof Fresh Water. London: Commission of the european communities, 1979.
MLA引用形式Raverna, O. Biological Aspectesof Fresh Water. Commission of the european communities, 1979.
警告: この引用は必ずしも正確ではありません.