(1997). Encyclopaedia of educational learning and teaching technology: Vol.6. Anmol.
Chicago Style aipamenaEncyclopaedia of Educational Learning and Teaching Technology: Vol.6. New Delhi: Anmol, 1997.
MLA aipamenaEncyclopaedia of Educational Learning and Teaching Technology: Vol.6. Anmol, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.