Stewart, W. D. P. (1975). Nitrogen fixation by free- living micro organisms. Cambridge University Press.
シカゴスタイル引用形Stewart, W. D. P. Nitrogen Fixation by Free- Living Micro Organisms. London: Cambridge University Press, 1975.
MLA引用形式Stewart, W. D. P. Nitrogen Fixation by Free- Living Micro Organisms. Cambridge University Press, 1975.
警告: この引用は必ずしも正確ではありません.