Gaya APA

Hallett, G, L. (1977). A companion to Wittgenstein's 'Philosophical Investigations' . . Ithaca & London: Ithaca & London Cornell University Press.

Gaya MLA

Hallett, Garth, L.. "A companion to Wittgenstein's 'Philosophical Investigations' . ". Ithaca & London: Ithaca & London Cornell University Press, 1977. Buku.