Austoker, J., & Hewitson, P. (2008). Screening for colorectal cancer. BMJ Publishing Group.
Cita Chicago (17th ed.)Austoker, J., i P. Hewitson. Screening for Colorectal Cancer. BMJ Publishing Group, 2008.
Cita MLA (9th ed.)Austoker, J., i P. Hewitson. Screening for Colorectal Cancer. BMJ Publishing Group, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.