APA-čujuhus (7. p.)
World Health Organization & ebrary, Inc. (2008). Third ten years of the World Health Organization: 1968-1977. World Health Organization.
Chicago-čujuhus (17. p.)
World Health Organization juo Inc ebrary. Third Ten Years of the World Health Organization: 1968-1977. Albany, N.Y.: World Health Organization, 2008.
MLA-čujuhus (9. p.)
World Health Organization juo Inc ebrary. Third Ten Years of the World Health Organization: 1968-1977. World Health Organization, 2008.
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