Cita APA

Liu, J. 1. (2008). A common European framework of reference for languages: Learning teaching assessment. [China]: Foreign Language Teaching and Research Press.

Citación estilo Chicago

Liu, Jun 1959-. A Common European Framework of Reference for Languages: Learning Teaching Assessment. [China]: Foreign Language Teaching and Research Press, 2008.

Cita MLA

Liu, Jun 1959-. A Common European Framework of Reference for Languages: Learning Teaching Assessment. [China]: Foreign Language Teaching and Research Press, 2008.