Lenzer, J. (2004). Cochrane Collaboration's stand versus industry funding. Canadian Medical Association.
Chicago Style aipamenaLenzer, Jeanne. Cochrane Collaboration's Stand Versus Industry Funding. Canadian Medical Association, 2004.
MLA aipamenaLenzer, Jeanne. Cochrane Collaboration's Stand Versus Industry Funding. Canadian Medical Association, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.