Sheldon, T. A. (1997). Formula fever: Allocating resources in the NHS.
Chicago Style aipamenaSheldon, T. A. Formula Fever: Allocating Resources in the NHS. 1997.
MLA aipamenaSheldon, T. A. Formula Fever: Allocating Resources in the NHS. 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.