Tschernyschewski, N. G. (1974). Was tun? Aufbau-Verlag.
Citazione stile Chigago Style (17a edizione)Tschernyschewski, Nikolai Gawrilowitsch. Was Tun? Berlin: Aufbau-Verlag, 1974.
Citatione MLA (8a ed.)Tschernyschewski, Nikolai Gawrilowitsch. Was Tun? Aufbau-Verlag, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.