Cita APA (7a ed.)

Rychen, D. S., & Tiana Ferrer, A. (2004). Developing key competencies in education: Some lessons from international and national experience. International Bureau of Education.

Cita Chicago Style (17a ed.)

Rychen, D. S., y Alejandro Tiana Ferrer. Developing Key Competencies in Education: Some Lessons from International and National Experience. Paris, France: International Bureau of Education, 2004.

Cita MLA (9a ed.)

Rychen, D. S., y Alejandro Tiana Ferrer. Developing Key Competencies in Education: Some Lessons from International and National Experience. International Bureau of Education, 2004.