R︠i︡abi︠t︡sev, V. K., & Smirnov, V. S. (1993). Territorialʹnye otnosheni︠i︡a i dinamika soobshchestv pti︠t︡s v Subarktike. "Nauka," Uralʹskoe otd-nie.
Lua i Stíl Chicago (17ú heag.)R︠i︡abi︠t︡sev, V. K., agus Vladimir Stepanovich Smirnov. Territorialʹnye Otnosheni︠i︡a I Dinamika Soobshchestv Pti︠t︡s V Subarktike. Ekaterinburg: "Nauka," Uralʹskoe otd-nie, 1993.
Lua MLA (8ú heag.)R︠i︡abi︠t︡sev, V. K., agus Vladimir Stepanovich Smirnov. Territorialʹnye Otnosheni︠i︡a I Dinamika Soobshchestv Pti︠t︡s V Subarktike. "Nauka," Uralʹskoe otd-nie, 1993.
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