Não informado. (2011). Prevent: The journal for all who would prevent disease. [s.n.].
Chicago-referens (17:e uppl.)Não informado. Prevent: The Journal for All Who Would Prevent Disease. London: [s.n.], 2011.
MLA-referens (8:e uppl.)Não informado. Prevent: The Journal for All Who Would Prevent Disease. [s.n.], 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.