(1990). Extending DOS / edited by Ray Duncan [and others].
Chicago-čujuhus (17. p.)Extending DOS / Edited by Ray Duncan [and Others]. 1990.
MLA-čujuhus (9. p.)Extending DOS / Edited by Ray Duncan [and Others]. 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.