Não informado. (2002). British Journal of Medical Psychology. British Psychological Society.
Lua i Stíl Chicago (17ú heag.)Não informado. British Journal of Medical Psychology. Letchworth Herts, Inglaterra: British Psychological Society, 2002.
Lua MLA (8ú heag.)Não informado. British Journal of Medical Psychology. British Psychological Society, 2002.
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