APA استشهاد

Lehmann, W. P. (1975). Historical linquistics. Oxford & IBH.

استشهاد بنمط شيكاغو

Lehmann, Winfreed P. Historical Linquistics. New Delhi: Oxford & IBH, 1975.

MLA استشهاد

Lehmann, Winfreed P. Historical Linquistics. Oxford & IBH, 1975.