Ortega, M., & Bravo, J. (2000). Computers and education in the 21st century. Kluwer Academic Publishers.
Chicago-čujuhus (17. p.)Ortega, Manuel, juo José Bravo. Computers and Education in the 21st Century. Dordrecht: Kluwer Academic Publishers, 2000.
MLA-čujuhus (9. p.)Ortega, Manuel, juo José Bravo. Computers and Education in the 21st Century. Kluwer Academic Publishers, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.