Fishman, M. V., & Silaev, V. I. (1981). Rudoobrazovanie na Timane i Severe Urala. Komi filial AN SSSR.
Lua i Stíl Chicago (17ú heag.)Fishman, Mark Veniaminovich, agus V. I. Silaev. Rudoobrazovanie Na Timane I Severe Urala. Syktyvkar: Komi filial AN SSSR, 1981.
Lua MLA (8ú heag.)Fishman, Mark Veniaminovich, agus V. I. Silaev. Rudoobrazovanie Na Timane I Severe Urala. Komi filial AN SSSR, 1981.
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