Bartlett, K. (2017). The health of nations: The campaign to end polio and eradicate epidemic diseseas. Oneworld.
Cita Chicago (17th ed.)Bartlett, Karen. The Health of Nations: The Campaign to End Polio and Eradicate Epidemic Diseseas. London: Oneworld, 2017.
Cita MLA (9th ed.)Bartlett, Karen. The Health of Nations: The Campaign to End Polio and Eradicate Epidemic Diseseas. Oneworld, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.