Jackson, K. (1963). Language and history in early Britain; a chronological survey of the Brittonic languages, 1st to 12th c. A.D. University Press.
Citace podle Chicago (17th ed.)Jackson, Kenneth. Language and History in Early Britain; a Chronological Survey of the Brittonic Languages, 1st to 12th C. A.D. Edinburg: University Press, 1963.
Citace podle MLA (9th ed.)Jackson, Kenneth. Language and History in Early Britain; a Chronological Survey of the Brittonic Languages, 1st to 12th C. A.D. University Press, 1963.
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