Ryabchuk, M. (2014). Eight years in search of a grandfather. Polin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRyabchuk, Mykola. "Eight Years in Search of a Grandfather." Polin 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRyabchuk, Mykola. "Eight Years in Search of a Grandfather." Polin, 2014.
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