Style de citation APA

UNESCO. (1999). Adult learning and the challenges of the 21st century. UNESCO.

Style de citation Chicago

UNESCO. Adult Learning and the Challenges of the 21st Century. Germany: UNESCO, 1999.

Style de citation MLA

UNESCO. Adult Learning and the Challenges of the 21st Century. UNESCO, 1999.

Attention : ces citations peuvent ne pas être correctes à 100%.