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