(2006). Global burden of disease and risk factors. Washington, D.C: The World Bank.
Chicago Style aipamenaGlobal Burden of Disease and Risk Factors. Washington, D.C: The World Bank, 2006.
MLA aipamenaGlobal Burden of Disease and Risk Factors. Washington, D.C: The World Bank, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.