BibTeX-Format:
@incollection{ author = {Müller, Natascha}, year = {2004}, publisher = {Kluwer}, booktitle = {{T}he {A}cquisition of {F}rench in {D}ifferent {C}ontexts. {F}ocus on {F}unctional {C}ategories}, address = {Dordrecht}, pages = {275-304}, title = {{N}ull-arguments in bilingual children: {F}rench topics}, editor = {Johanne Paradis