APA aipamena

(2006). Computer & Internet Use by Students in 2003. U.S. Department of Education.

Chicago Style aipamena

Computer & Internet Use by Students in 2003. U.S. Department of Education, 2006.

MLA aipamena

Computer & Internet Use by Students in 2003. U.S. Department of Education, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.