Legutke, Michael and Müller-Hartmann, Andreas and Schocker-von Ditfurth, Marita.
Teaching English in the primary school.
Uni-Wissen. Anglistik, Amerikanistik,
Klett Lerntraining,
Stuttgart,
Year
2012.
Pinter, Annamaria.
Children learning second languages.
Research and practice in applied linguistics,
Palgrave Macmillan,
Basingstoke [u.a.],
Year
2011.