MANGAL,S. K. (2009). Essentials of educationl technology.
Chicago-čujuhus (17. p.)MANGAL,S. K. Essentials of Educationl Technology. 2009.
MLA-čujuhus (9. p.)MANGAL,S. K. Essentials of Educationl Technology. 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.