Gaya APA
Pears, David. (1971).
Wittgenstein (Kesatu).
London:
Fontana.
Gaya Chicago
Pears, David.
Wittgenstein.
Kesatu
London:
Fontana,
1971.
.
Gaya MLA
Pears, David.
Wittgenstein.
Kesatu
London:
Fontana,
1971.
.
Gaya Turabian
Pears, David.
Wittgenstein.
Kesatu
London:
Fontana,
1971.
.