Ager, D.E
Sociolinguistics and contemporary french
Cambridge University Press, 1990
 Buku Teks SO
Ball, Rodney
The French-speakingg world: a pratical introduction to sociolinguistic issues
Routledge, 1997
 Buku Teks SO
Coultas, Barbara
Business French : a complete course for beginners
Teach Yourself Books, 1990
 Buku Teks SO
Bower, Malcolm
French for business / Malcolm Bower and Lucette Barbarin
Hodder & Stoughton, 1977
 Buku Teks SO
Barbour, Stephen
Variation in German: a critical approach to German sociolinguistics
Cambridge [England]; New York Cambridge University Press 1990,
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