WRIGHT, W. S. (2001). A first course in differential equations: The classic fifth edition. Brooks Cole.
Chicago-referens (17:e uppl.)WRIGHT, Warren S. A First Course in Differential Equations: The Classic Fifth Edition. Brooks Cole, 2001.
MLA-referens (9:e uppl.)WRIGHT, Warren S. A First Course in Differential Equations: The Classic Fifth Edition. Brooks Cole, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.