TRUMPER, J. "Observations on sociolinguistic behavior in two Italian regions" International Journal of the Sociology of Language, 1989.76 (2009): 31-62. Retrieved 22 May. 2013, from doi:10.1515/ijsl.1989.76.31

TRUMPER, J. (2009). Observations on sociolinguistic behavior in two Italian regions. International Journal of the Sociology of Language, 1989(76), pp. 5-184. Retrieved 22 May. 2013, from doi:10.1515/ijsl.1989.76.31

TRUMPER, J. 2009. Observations on sociolinguistic behavior in two Italian regions. International Journal of the Sociology of Language. 1989(76): 5-184. Retrieved 22 May. 2013, from doi:10.1515/ijsl.1989.76.31