(2019). Open education studies. De Gruyter.
Chicago-čujuhus (17. p.)Open Education Studies. Berlin, Germany: De Gruyter, 2019.
MLA-čujuhus (9. p.)Open Education Studies. De Gruyter, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.