WITTGENSTEIN, L. (1969). The Blue and brown books: Preliminary studies for the 'philosophical Investigations (2nd ed.). Blackwell.
Citación estilo ChicagoWITTGENSTEIN, Ludwig. The Blue and Brown Books: Preliminary Studies for the 'Philosophical Investigations. 2nd ed. Oxford: Blackwell, 1969.
Cita MLAWITTGENSTEIN, Ludwig. The Blue and Brown Books: Preliminary Studies for the 'Philosophical Investigations. 2nd ed. Blackwell, 1969.
Warning: These citations may not always be 100% accurate.