Sumpf, J. (1977). Socio-linguistique. Swets & Zeitlinger.
Chicago Style (17th ed.) CitationSumpf, Joseph. Socio-linguistique. Amsterdam: Swets & Zeitlinger, 1977.
MLA (9th ed.) CitationSumpf, Joseph. Socio-linguistique. Swets & Zeitlinger, 1977.
Warning: These citations may not always be 100% accurate.