Cita APA (7th ed.)

UNESCO Institute for Lifelong Learning (UIL) (Germany), Yang, J., & Valdes-Cotera, R. (2011). Conceptual evolution and policy developments in lifelong learning. UNESCO Institute for Lifelong Learning (UIL).

Cita Chicago (17th ed.)

UNESCO Institute for Lifelong Learning (UIL) (Germany), Jin Yang, i Raul Valdes-Cotera. Conceptual Evolution and Policy Developments in Lifelong Learning. Hamburg, Germany: UNESCO Institute for Lifelong Learning (UIL), 2011.

Cita MLA (8th ed.)

UNESCO Institute for Lifelong Learning (UIL) (Germany), et al. Conceptual Evolution and Policy Developments in Lifelong Learning. UNESCO Institute for Lifelong Learning (UIL), 2011.