A.A, G. The First Challenges of the Russian Princes to the Mongol Rulers: Years 1242–1243. Tatarstan Academy of Sciences, Marjani Institute of History.
Chicago Style (17th ed.) CitationA.A, Gorsky. The First Challenges of the Russian Princes to the Mongol Rulers: Years 1242–1243. Tatarstan Academy of Sciences, Marjani Institute of History.
MLA (9th ed.) CitationA.A, Gorsky. The First Challenges of the Russian Princes to the Mongol Rulers: Years 1242–1243. Tatarstan Academy of Sciences, Marjani Institute of History.
Warning: These citations may not always be 100% accurate.