BibTeX-Format:
@inbook{ title = {{B}ilingual first language acquisition}, booktitle = {{W}ie funktioniert {S}prache? {E}inführung in die {L}inguistik für {P}ädogog{I}nnen}, author = {Müller, Natascha}, chapter = {5}, year = {2010}, publisher = {Schneider Verlag Hohengehren}, bookauthor = {Susanna Buttaroni}, address = {Baltmannsweiler}, typ = {inbook}, pages = {209-243}}