Ehret, C. (1995). Reconstructing Proto-Afroasiatic (Proto-Afrasian): Vowels, tone, consonants, and vocabulary. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEhret, Christopher. Reconstructing Proto-Afroasiatic (Proto-Afrasian): Vowels, Tone, Consonants, and Vocabulary. Berkeley: University of California Press, 1995.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEhret, Christopher. Reconstructing Proto-Afroasiatic (Proto-Afrasian): Vowels, Tone, Consonants, and Vocabulary. University of California Press, 1995.
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