Sibbald, B. (1998). Rising tuition fees a nightmare for many medical students.
Chicago Style aipamenaSibbald, B. Rising Tuition Fees a Nightmare for Many Medical Students. 1998.
MLA aipamenaSibbald, B. Rising Tuition Fees a Nightmare for Many Medical Students. 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.