BibTeX-Format:
@inbook{ title = {{L}anguage mixing in bilingual children: code-switching?}, year = {2009}, address = {Cambridge}, chapter = {12}, publisher = {Cambridge University Press}, booktitle = {{T}he {H}andbook of {C}ode-switching}, pages = {199-220}, typ = {inbook}, bookauthor = {Barbara E. Bullock