Hoadley. Proceedings of the 1999 conference on Computer support for collaborative learning. Association for Computing Machinery (ACM).
Chicago-čujuhus (17. p.)Hoadley. Proceedings of the 1999 Conference on Computer Support for Collaborative Learning. Association for Computing Machinery (ACM).
MLA-čujuhus (9. p.)Hoadley. Proceedings of the 1999 Conference on Computer Support for Collaborative Learning. Association for Computing Machinery (ACM).
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.