(2002). Karl Popper i Rossii︠a︡ / V.N. Sadovskiĭ.
Cita Chicago (17th ed.)Karl Popper I Rossii︠a︡ / V.N. Sadovskiĭ. 2002.
Cita MLA (9th ed.)Karl Popper I Rossii︠a︡ / V.N. Sadovskiĭ. 2002.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)