Tschernyschewski, N. G. (1986). Was tun? Aufbau-Verlag.
Chicago Style (17. basım) AtıfTschernyschewski, Nikolai Gawrilowitsch. Was Tun? Berlin: Aufbau-Verlag, 1986.
MLA (8th ed.) AtıfTschernyschewski, Nikolai Gawrilowitsch. Was Tun? Aufbau-Verlag, 1986.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..