Greenspan,D. (1961). Introduction to partial differential equations. Tata McGraw-Hill.
Chicago-stil citatGreenspan,D. Introduction to Partial Differential Equations. New Delhi: Tata McGraw-Hill, 1961.
MLA-referensGreenspan,D. Introduction to Partial Differential Equations. Tata McGraw-Hill, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.