Mailhammer, R. (2007). The Germanic strong verbs: Foundations and development of a new system. Mouton de Gruyter.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMailhammer, Robert. The Germanic Strong Verbs: Foundations and Development of a New System. Berlin ; New York: Mouton de Gruyter, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMailhammer, Robert. The Germanic Strong Verbs: Foundations and Development of a New System. Mouton de Gruyter, 2007.
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