This document lists two German language textbooks published in the 2000s. It provides bibliographic information for Funk et al.'s 2005 textbook titled "Studio d a1" and Müller et al.'s 2004 workbook called "Optimal A1. Arbeitsbuch". Both books were published in Berlin by different publishers for use in learning German as a foreign language at the A1 level.

1. Leute

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1
Funk, H.; Kuhn, C.; Demme, S. (2005) Studio d a1. Berlin: Cornelsen.
2
Müller, M.; Rusch, P.; Scherling, T.; WErtenschlag, L.(2004 ) Optimal A1. Arbeitsbuch Berlin: Langenscheidt