Knowles, M. S. (1975). Selfdirected learning a guide for learners and teachers. Association Press.
Citazione stile Chigago Style (17a edizione)Knowles, Malcolm S. Selfdirected Learning a Guide for Learners and Teachers. Association Press, 1975.
Citatione MLA (9a ed.)Knowles, Malcolm S. Selfdirected Learning a Guide for Learners and Teachers. Association Press, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.