Tanne, J. H. (2005). Royalty payments to staff researchers cause new NIH troubles. BMJ Group.
Chicago Style aipamenaTanne, Janice Hopkins. Royalty Payments to Staff Researchers Cause New NIH Troubles. BMJ Group, 2005.
MLA aipamenaTanne, Janice Hopkins. Royalty Payments to Staff Researchers Cause New NIH Troubles. BMJ Group, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.