Zhilin, P. (1970). They sealed their own doom. Progress.
Citazione stile Chigago Style (17a edizione)Zhilin, P. They Sealed Their Own Doom. Moscow: Progress, 1970.
Citatione MLA (9a ed.)Zhilin, P. They Sealed Their Own Doom. Progress, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.