Lehmann, W. P. (1968). Historical Linguistics: An Introduction (Ist.). Oxford & IBH Publishing Co.
Chicago Style aipamenaLehmann, Winfred P. Historical Linguistics: An Introduction. Ist. Calcutta: Oxford & IBH Publishing Co, 1968.
MLA aipamenaLehmann, Winfred P. Historical Linguistics: An Introduction. Ist. Oxford & IBH Publishing Co, 1968.
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