Dyfyniad APA

(2013). Global programme for the prevention and control of highly pathogenic avian influenza. Food and Agriculture Organization of the United Nations.

Dyfyniad Arddull Chicago

Global Programme for the Prevention and Control of Highly Pathogenic Avian Influenza. Rome: Food and Agriculture Organization of the United Nations, 2013.

Dyfyniad MLA

Global Programme for the Prevention and Control of Highly Pathogenic Avian Influenza. Food and Agriculture Organization of the United Nations, 2013.

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