APA aipamena

World Health Organization. (2009). Application of epidemiological principles for Public health action. World Health Organization.

Chicago Style aipamena

World Health Organization. Application of Epidemiological Principles for Public Health Action. New Delhi: World Health Organization, 2009.

MLA aipamena

World Health Organization. Application of Epidemiological Principles for Public Health Action. World Health Organization, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.