APA aipamena

(2005). Quality assurance in distance education. Rajarshi Tandon Open University.

Chicago Style aipamena

Quality Assurance in Distance Education. 308p: Rajarshi Tandon Open University, 2005.

MLA aipamena

Quality Assurance in Distance Education. Rajarshi Tandon Open University, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.