Alber, M., Galla, T., & Peinke, J. The Spectrum of Singularities of a Fractal Basin Boundary: Marcus Alber. Thomas Galla. Sciences of the interface : proceedings of the International Symposium Sciences of the Interface, ZKM, Center for Art and Media, Karlsruhe Germany, May 18-21, 1999.(2001).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Alber, Marcus, Thomas Galla, و Joachim Peinke. "The Spectrum of Singularities of a Fractal Basin Boundary: Marcus Alber. Thomas Galla." Sciences of the Interface : Proceedings of the International Symposium Sciences of the Interface, ZKM, Center for Art and Media, Karlsruhe Germany, May 18-21, 1999.(2001) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Alber, Marcus, et al. "The Spectrum of Singularities of a Fractal Basin Boundary: Marcus Alber. Thomas Galla." Sciences of the Interface : Proceedings of the International Symposium Sciences of the Interface, ZKM, Center for Art and Media, Karlsruhe Germany, May 18-21, 1999.(2001), .