Eco, Umberto
The search for the perfect language
Fontana, 1997
 Buku Teks SO
Downes, William
Language and religion : a journey into the human mind
Cambridge University Press, 2011
 eBooks
Tetel, Julie, 1950-
Languages in the world : how history, culture, and politics shape language
John Wiley & Sons, 2016
 Buku Teks SO
Bloomfield, Leonard
Language
Holt, Rinehart and Winston, 1961
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Carter, Ronald
The web of words : exploring literature through language
Cambridge University Press, 1987
 Buku Teks SO