Gaya APA

Wittgenstein, L. (1997). Tractatus logico-philosophicus / Ludwig Wittgenstein; trans. by D.F. Pears dan B.F. McGuinness with intod. by Bertrand Russel . : Routledge.

Gaya MLA

Wittgenstein, Ludwig. "Tractatus logico-philosophicus / Ludwig Wittgenstein; trans. by D.F. Pears dan B.F. McGuinness with intod. by Bertrand Russel". : Routledge, 1997. Referensi.