St. Catherine of Alexandria (Church : Saint Petersburg, Russia), & Amrian, E. Parish of St. Catherine of Alexandria, St. Petersburg.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSt. Catherine of Alexandria (Church : Saint Petersburg, Russia), और E. Amrian. Parish of St. Catherine of Alexandria, St. Petersburg.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSt. Catherine of Alexandria (Church : Saint Petersburg, Russia), और E. Amrian. Parish of St. Catherine of Alexandria, St. Petersburg.
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