Petrov, P. A. (1971). Problemy agronomicheskogo syrʹ︠i︡a Sibiri. SNIIGGIMS.
Lua i Stíl Chicago (17ú heag.)Petrov, P. A. Problemy Agronomicheskogo Syrʹ︠i︡a Sibiri. Novosibirsk: SNIIGGIMS, 1971.
Lua MLA (8ú heag.)Petrov, P. A. Problemy Agronomicheskogo Syrʹ︠i︡a Sibiri. SNIIGGIMS, 1971.
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