APA (7th ed.) Citation

Lüdi, G., & Py, B. (2003). Etre bilingue (3. Aufl.). Lang.

Chicago Style (17th ed.) Citation

Lüdi, Georges, and Bernard Py. Etre Bilingue. 3. Aufl. Bern: Lang, 2003.

MLA (8th ed.) Citation

Lüdi, Georges, and Bernard Py. Etre Bilingue. 3. Aufl. Lang, 2003.

Warning: These citations may not always be 100% accurate.