Tugan-Baranovskiĭ, M. I. (1908). Voprosy obshchestvov︠i︡ed︠i︡eni︠i︡a. Tip. SPB. Ak︠t︡s. Obshch. "Slovo,".
Lua i Stíl Chicago (17ú heag.)Tugan-Baranovskiĭ, M. I. Voprosy Obshchestvov︠i︡ed︠i︡eni︠i︡a. S.-Peterburg: Tip. SPB. Ak︠t︡s. Obshch. "Slovo,", 1908.
Lua MLA (8ú heag.)Tugan-Baranovskiĭ, M. I. Voprosy Obshchestvov︠i︡ed︠i︡eni︠i︡a. Tip. SPB. Ak︠t︡s. Obshch. "Slovo,", 1908.
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