APA-čujuhus (7. p.)

Williams, G. (1977). Towards lifelong education. Unesco.

Chicago-čujuhus (17. p.)

Williams, Gareth. Towards Lifelong Education. Unesco, 1977.

MLA-čujuhus (9. p.)

Williams, Gareth. Towards Lifelong Education. Unesco, 1977.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.