APA
D'Alessandro R., Fischer S. & Hrafnbjargarson G. H. (2008). Agreement restrictions. Berlin ; New York: Mouton de Gruyter.
Chicago
D'Alessandro Roberta, Fischer Susann and Hrafnbjargarson Gunnar Hrafn. 2008. Agreement restrictions. Berlin ; New York: Mouton de Gruyter.
Harvard
D'Alessandro R., Fischer S. and Hrafnbjargarson G. H. (2008). Agreement restrictions. Berlin ; New York: Mouton de Gruyter.
MLA
D'Alessandro Roberta, Fischer Susann and Hrafnbjargarson Gunnar Hrafn. Agreement restrictions. Berlin ; New York: Mouton de Gruyter. 2008.