Cita APA

Trim, J. L. M., & Van Ek, J. (1984). Across the threshold: Readings from the modern languages projects of the Council of Europe. Strasbourg Oxford [etc.]: Consejo de Europa Pergamon press.

Citación estilo Chicago

Trim, J. L. M., and J.A Van Ek. Across the Threshold: Readings From the Modern Languages Projects of the Council of Europe. Strasbourg Oxford [etc.]: Consejo de Europa Pergamon press, 1984.

Cita MLA

Trim, J. L. M., and J.A Van Ek. Across the Threshold: Readings From the Modern Languages Projects of the Council of Europe. Strasbourg Oxford [etc.]: Consejo de Europa Pergamon press, 1984.