Style de citation APA (7e éd.)
Gelpi, E. (1979). A future for life lifelong education. Department of Adult and higher education.
Style de citation Chicago (17e éd.)
Gelpi, Ettore. A Future for Life Lifelong Education. Manchester, MI.: Department of Adult and higher education, 1979.
Style de citation MLA (9e éd.)
Gelpi, Ettore. A Future for Life Lifelong Education. Department of Adult and higher education, 1979.
Attention : ces citations peuvent ne pas être correctes à 100%.