Barry, E., & Greenhalgh, T. (2015). The National Diabetes Prevention Programme. British Journal of General Practice.
Lua i Stíl Chicago (17ú heag.)Barry, E., agus T. Greenhalgh. The National Diabetes Prevention Programme. British Journal of General Practice, 2015.
Lua MLA (9ú heag.)Barry, E., agus T. Greenhalgh. The National Diabetes Prevention Programme. British Journal of General Practice, 2015.
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