Goeckel. Soviet Religious Policy in Estonia and Latvia. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGoeckel. Soviet Religious Policy in Estonia and Latvia. Indiana University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGoeckel. Soviet Religious Policy in Estonia and Latvia. Indiana University Press.
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