BibTeX-Format:
@incollection{ publisher = {Benjamins}, typ = {incollection}, booktitle = {{T}he {A}cquisition of {S}yntax in {R}omance {L}anguages}, title = {{N}ull-arguments in monolingual children: a comparison of {I}talian and {F}rench}, author = {Müller, Natascha, Katrin Schmitz, Katja Francesca Cantone