Boyce, W. E., & DiPrima, R. C. (2009). Elementary differential equations (Ninth edition.). AUWSF.
Chicago Style (17th ed.) ZitazioaBoyce, William E., eta Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Hoboken: AUWSF, 2009.
MLA (9th ed.) ZitazioaBoyce, William E., eta Richard C. DiPrima. Elementary Differential Equations. Ninth edition. AUWSF, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.