Mangal S K. (1992). Fundamentals of educational technology. Prakash Brothers.
Chicago Style aipamenaMangal S K. Fundamentals of Educational Technology. Ludhiana: Prakash Brothers, 1992.
MLA aipamenaMangal S K. Fundamentals of Educational Technology. Prakash Brothers, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.