Gaya APA
Russel, Bertrand. ().
The problems of philosophy .
London:
Oxford.
Gaya Chicago
Russel, Bertrand.
The problems of philosophy.
London:
Oxford,
.
Text.
Gaya MLA
Russel, Bertrand.
The problems of philosophy.
London:
Oxford,
.
Text.
Gaya Turabian
Russel, Bertrand.
The problems of philosophy.
London:
Oxford,
.
Print.