Knowles, M. S. (1975). Selfdirected learning a guide for learners and teachers. Association Press.
Chicago-čujuhus (17. p.)Knowles, Malcolm S. Selfdirected Learning a Guide for Learners and Teachers. Association Press, 1975.
MLA-čujuhus (9. p.)Knowles, Malcolm S. Selfdirected Learning a Guide for Learners and Teachers. Association Press, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.