Stein, S. K., & Barcellos, A. (1994). An introduction to differential equations to accomp. ...: Calculus and Analytic Geometry (5th ed.). McGraw-Hill.
Chicago-viite (17. p.)Stein, Sherman K., ja Anthony Barcellos. An Introduction to Differential Equations to Accomp. ...: Calculus and Analytic Geometry. 5th ed. New York: McGraw-Hill, 1994.
MLA-viite (9. p.)Stein, Sherman K., ja Anthony Barcellos. An Introduction to Differential Equations to Accomp. ...: Calculus and Analytic Geometry. 5th ed. McGraw-Hill, 1994.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.