Understanding Prognosis & Cancer Statistics (2018). National Cancer Institute Member Services.
Chicago Style (17th ed.) ZitazioaUnderstanding Prognosis & Cancer Statistics (2018). National Cancer Institute Member Services.
MLA (9th ed.) ZitazioaUnderstanding Prognosis & Cancer Statistics (2018). National Cancer Institute Member Services.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.