APA-čujuhus (7. p.)
World Health Organization & ebrary, Inc. (2006). Policy and regulatory aspects. World Health Organization.
Chicago-čujuhus (17. p.)
World Health Organization juo Inc ebrary. Policy and Regulatory Aspects. Geneva: World Health Organization, 2006.
MLA-čujuhus (9. p.)
World Health Organization juo Inc ebrary. Policy and Regulatory Aspects. World Health Organization, 2006.
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