Gray, P. (1970). encyclopaedia of the biological sciences. Van Nostrand Reinhold Company.
シカゴスタイル引用形Gray, Peter. Encyclopaedia of the Biological Sciences. New York: Van Nostrand Reinhold Company, 1970.
MLA引用形式Gray, Peter. Encyclopaedia of the Biological Sciences. Van Nostrand Reinhold Company, 1970.
警告: この引用は必ずしも正確ではありません.