Schroeder, S. (2015). Mathematics and Forms of Life. Nordic Wittgenstein Society.
Lua i Stíl Chicago (17ú heag.)Schroeder, Severin. Mathematics and Forms of Life. Nordic Wittgenstein Society, 2015.
Lua MLA (9ú heag.)Schroeder, Severin. Mathematics and Forms of Life. Nordic Wittgenstein Society, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.