Lenzing, A. (2013). The development of the grammatical system in early second language acquisition: The multiple constraints hypothesis. Benjamins.
Chicago-Zitierstil (17. Ausg.)Lenzing, Anke. The Development of the Grammatical System in Early Second Language Acquisition: The Multiple Constraints Hypothesis. Amsterdam [u.a.]: Benjamins, 2013.
MLA-Zitierstil (9. Ausg.)Lenzing, Anke. The Development of the Grammatical System in Early Second Language Acquisition: The Multiple Constraints Hypothesis. Benjamins, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.