APA-viite (7. p.)

Understanding Prognosis & Cancer Statistics (2018). National Cancer Institute Member Services.

Chicago-viite (17. p.)

Understanding Prognosis & Cancer Statistics (2018). National Cancer Institute Member Services.

MLA-viite (9. p.)

Understanding Prognosis & Cancer Statistics (2018). National Cancer Institute Member Services.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.