Sladkovsky, M. I. (1974). The long road: Sino-Russian economic contacts from ancient times to 1917.
Dyfyniad Arddull ChicagoSladkovsky, M I. The Long Road: Sino-Russian Economic Contacts from Ancient Times to 1917. Moscow, Progress Publishers, 1974.
Dyfyniad MLASladkovsky, M I. The Long Road: Sino-Russian Economic Contacts from Ancient Times to 1917. 1974.
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