Randall, William; Jones, Howard (2015-07-01). “On the early origins of the Germanic preterite presents” (英語). Transactions of the Philological Society113 (2): 137. doi:10.1111/1467-968X.12045. ISSN1467-968X.
Randall, William; Jones, Howard (2015-07-01). “On the early origins of the Germanic preterite presents” (英語). Transactions of the Philological Society113 (2): 137. doi:10.1111/1467-968X.12045. ISSN1467-968X.