Gaya APA
Clark, Ronald W. (1975).
The life of Bertrand Russel .
Amerika:
Penguin Books.
Gaya Chicago
Clark, Ronald W.
The life of Bertrand Russel.
Amerika:
Penguin Books,
1975.
Text.
Gaya MLA
Clark, Ronald W.
The life of Bertrand Russel.
Amerika:
Penguin Books,
1975.
Text.
Gaya Turabian
Clark, Ronald W.
The life of Bertrand Russel.
Amerika:
Penguin Books,
1975.
Print.