Ammon, U., Mattheier, K. J., & Nelde, P. H. (1987). Brennpunkte der Soziolinguistik: = Main issues in sociolinguistics = Tendances actuelles de la sociolinguistique. Sociolinguistica.
Chicago Style (17th ed.) CitationAmmon, Ulrich, Klaus J. Mattheier, and Peter H. Nelde. "Brennpunkte Der Soziolinguistik: = Main Issues in Sociolinguistics = Tendances Actuelles De La Sociolinguistique." Sociolinguistica 1987.
MLA (9th ed.) CitationAmmon, Ulrich, et al. "Brennpunkte Der Soziolinguistik: = Main Issues in Sociolinguistics = Tendances Actuelles De La Sociolinguistique." Sociolinguistica, 1987.
Warning: These citations may not always be 100% accurate.