Duff, G. F. D. (1956). Partial differential equations. Toronto: University of Toronto Press.
Chicago Style CitationDuff, G. F. D. Partial Differential Equations. Toronto: University of Toronto Press, 1956.
MLA CitationDuff, G. F. D. Partial Differential Equations. Toronto: University of Toronto Press, 1956.
Warning: These citations may not always be 100% accurate.