Boyce William E. (2015). Elementary Differential Equations and Boundary Value Problems (9.). Wiley.
Chicago-čujuhus (17. p.)Boyce William E. Elementary Differential Equations and Boundary Value Problems. 9. New Delhi: Wiley, 2015.
MLA-čujuhus (9. p.)Boyce William E. Elementary Differential Equations and Boundary Value Problems. 9. Wiley, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.