Richards, B. J. (1990). Language development and individual differences: A study of auxiliary verb learning. Cambridge University Press. https://doi.org/10.1017/CBO9780511519833
Chicago-Zitierstil (17. Ausg.)Richards, Brian J. Language Development and Individual Differences: A Study of Auxiliary Verb Learning. Cambridge: Cambridge University Press, 1990. https://doi.org/10.1017/CBO9780511519833.
MLA-Zitierstil (9. Ausg.)Richards, Brian J. Language Development and Individual Differences: A Study of Auxiliary Verb Learning. Cambridge University Press, 1990. https://doi.org/10.1017/CBO9780511519833.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.