BibTeX-Format:
@incollection{ address = {Amsterdam/Philadelphia}, typ = {incollection}, year = {2002}, title = {{C}ross-linguistic influence in early child bilingualism: {I}talian / {G}erman}, pages = {135-154}, publisher = {Benjamins}, author = {Müller, Natascha}, editor = {Susan H. Foster-Cohen, Tanja Ruthenberg