Boyce, William E.
Elementary differential equations
John Wiley & Sons, 1992
 Buku Teks SO
Wilcox, Lee Roy, 1912-
Elementary differential equations
International Textbook, 1962
 Buku Teks SO
Trench, William F.
Elementary differential equations
Grove Brooks/Cole, 2000
 Buku Teks SO
Rainville, Earl D.
Elementary differential equations
Macmillan, 1981
 Buku Teks SO
Bellman, Richard
Modern elementary differential equations
Addison-Wesley, 1968
 Buku Teks SO