Ehrgott, M. (2005). Multicriteria Optimization (Second edition.). Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-27659-9
Chicago-čujuhus (17. p.)Ehrgott, Matthias. Multicriteria Optimization. Second edition. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/3-540-27659-9.
MLA-čujuhus (9. p.)Ehrgott, Matthias. Multicriteria Optimization. Second edition. Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/3-540-27659-9.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.