Brauer, F., & Nohel, J. A. (1968). Elementary differential equations: Principles, problems and solutions. W. A. Benjamin.
Chicago Style (17th ed.) ZitazioaBrauer, Fred, eta John A. Nohel. Elementary Differential Equations: Principles, Problems and Solutions. Nueva York: W. A. Benjamin, 1968.
MLA (9th ed.) ZitazioaBrauer, Fred, eta John A. Nohel. Elementary Differential Equations: Principles, Problems and Solutions. W. A. Benjamin, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.