Emme, A. The clock of living nature: Translated from the Russian by George Yankovsky. Peace Pub..
Citazione stile Chigago Style (17a edizione)Emme, A. The Clock of Living Nature: Translated from the Russian by George Yankovsky. Moscow: Peace Pub..
Citatione MLA (9a ed.)Emme, A. The Clock of Living Nature: Translated from the Russian by George Yankovsky. Peace Pub..
Attenzione: Queste citazioni potrebbero non essere precise al 100%.