Levchenko, V. I., & ︠T︡Serling, V. V. (1989). Agrokhimi︠i︡a i zdorovʹe l︠i︡udeĭ: Pravovye voprosy. "Nauka".
Lua i Stíl Chicago (17ú heag.)Levchenko, V. I., agus V. V. ︠T︡Serling. Agrokhimi︠i︡a I Zdorovʹe L︠i︡udeĭ: Pravovye Voprosy. Moskva: "Nauka", 1989.
Lua MLA (8ú heag.)Levchenko, V. I., agus V. V. ︠T︡Serling. Agrokhimi︠i︡a I Zdorovʹe L︠i︡udeĭ: Pravovye Voprosy. "Nauka", 1989.
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