Helmberg, C. und Rendl, F. (1998) A spectral bundle method for semidefinite programming [cd]. revised, october 1997, Preprint / Konrad-Zuse-Zentrum für Informationstechnik Berlin. revised, october 1997. Berlin: ZIB.
Chicago Manual of Style 17th edition (full note)Helmberg, Christoph, und Franz Rendl. A spectral bundle method for semidefinite programming. Cd. Preprint / Konrad-Zuse-Zentrum für Informationstechnik Berlin. Revised, october 1997. Berlin: ZIB, [1998?], Berlin: ZIB, [1998?].
American Psychological Association 7th editionHelmberg, C., & Rendl, F. (ca. 1998). A spectral bundle method for semidefinite programming [Cd]. In Preprint / Konrad-Zuse-Zentrum für Informationstechnik Berlin (revised, october 1997). ZIB.
Modern Language Association 9th editionHelmberg, C., und F. Rendl. „A spectral bundle method for semidefinite programming“. Preprint / Konrad-Zuse-Zentrum für Informationstechnik Berlin, Revised, october 1997, cd, ZIB, 1998.
ISO-690 (author-date, Deutsch)HELMBERG, Christoph und Franz RENDL, 1998. A spectral bundle method for semidefinite programming. revised, october 1997. Berlin: ZIB