Gaya APA
Ayer, A.J.. (1972).
Russell (Kesatu).
London:
Fontana.
Gaya Chicago
Ayer, A.J..
Russell.
Kesatu
London:
Fontana,
1972.
.
Gaya MLA
Ayer, A.J..
Russell.
Kesatu
London:
Fontana,
1972.
.
Gaya Turabian
Ayer, A.J..
Russell.
Kesatu
London:
Fontana,
1972.
.