Dyfyniad APA

World Health organization. (2009). Priority areas for research in communicable diseases. World Health Organization.

Dyfyniad Arddull Chicago

World Health organization. Priority Areas for Research in Communicable Diseases. New Delhi: World Health Organization, 2009.

Dyfyniad MLA

World Health organization. Priority Areas for Research in Communicable Diseases. World Health Organization, 2009.

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