Skre, D. (2020). Rulership in 1st to 14th century Scandinavia. De Gruyter.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSkre, Dagfinn. Rulership in 1st to 14th Century Scandinavia. Berlin/Boston: De Gruyter, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSkre, Dagfinn. Rulership in 1st to 14th Century Scandinavia. De Gruyter, 2020.
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