APA-viite

Beecham, L. (1999). Chief medical officer clears genetically modified foods. British Medical Journal.

Chicago-tyylinen lähdeviittaus

Beecham, Linda. Chief Medical Officer Clears Genetically Modified Foods. British Medical Journal, 1999.

MLA-viite

Beecham, Linda. Chief Medical Officer Clears Genetically Modified Foods. British Medical Journal, 1999.

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