Dyfyniad APA

World Health Organization. (2010). CBR Guidelines. Introductory booklet. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization. CBR Guidelines. Introductory Booklet. Geneva: World Health Organization, 2010.

Dyfyniad MLA

World Health Organization. CBR Guidelines. Introductory Booklet. World Health Organization, 2010.

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