Dyer, O. (2003). Lancet accuses AstraZeneca of sponsoring biased research. BMJ Group.
Chicago Style aipamenaDyer, Owen. Lancet Accuses AstraZeneca of Sponsoring Biased Research. BMJ Group, 2003.
MLA aipamenaDyer, Owen. Lancet Accuses AstraZeneca of Sponsoring Biased Research. BMJ Group, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.