BibTeX-Format:
@incollection{ publisher = {Multilingual Matters}, booktitle = {{T}he {A}cquisition of {F}rench in {M}ultilingual {C}ontexts}, address = {Bristol}, pages = {43-65}, year = {2016}, typ = {incollection}, title = {{W}h-fronting and wh-in-situ in the acquisition of {F}rench: really variants?}, editor = {Katrin Schmitz, Pedro Guijarro-Fuentes