Gaya APA
McGUINESS, B.
(1988).
Wittgenstein A Life: Young Ludwig (1889-1921)
.
London:
Duckworth.
Gaya MLA
McGUINESS, Brian.
"Wittgenstein A Life: Young Ludwig (1889-1921)".
London:
Duckworth,
1988.
Text.