Bosman, Frank T. (2014). "Chapter 5.5: Colorectal Cancer". Dalam Stewart, Bernard W.; Wild, Christopher P (penyunting). World Cancer Report. the International Agency for Research on Cancer, World Health Organization. m/s. 392–402. ISBN978-92-832-0443-5. Unknown parameter |name-list-format= ignored (bantuan)
Bosman, Frank T. (2014). "Chapter 5.5: Colorectal Cancer". Dalam Stewart, Bernard W.; Wild, Christopher P (penyunting). World Cancer Report. the International Agency for Research on Cancer, World Health Organization. m/s. 392–402. ISBN978-92-832-0443-5. Unknown parameter |name-list-format= ignored (bantuan)