Österreichische Ludwig Wittgenstein Gesellschaft, ebrary, Inc, Pichler, A., & Säätelä, S. (2006). Wittgenstein: The philosopher and his works (2nd ed.). Ontos Verlag.
Chicagoスタイル(17版)引用形式Österreichische Ludwig Wittgenstein Gesellschaft, Inc ebrary, Alois Pichler, , Simo Säätelä. Wittgenstein: The Philosopher and His Works. 2nd ed. Frankfurt: Ontos Verlag, 2006.
MLA(9版)引用形式Österreichische Ludwig Wittgenstein Gesellschaft, et al. Wittgenstein: The Philosopher and His Works. 2nd ed. Ontos Verlag, 2006.
警告: この引用は必ずしも正確ではありません.