(1979). New directions for continuing education. Jossey-Bass.
Chicago-čujuhus (17. p.)New Directions for Continuing Education. San Francisco: Jossey-Bass, 1979.
MLA-čujuhus (9. p.)New Directions for Continuing Education. Jossey-Bass, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.