Duff, G. F. D. (1956). Partial differential equations. University of Toronto Press.
シカゴスタイル引用形Duff, G. F. D. Partial Differential Equations. Toronto: University of Toronto Press, 1956.
MLA引用形式Duff, G. F. D. Partial Differential Equations. University of Toronto Press, 1956.
警告: この引用は必ずしも正確ではありません.