Não informado. (1955). Royal Society for the Promotion of Health Journal. Royal Society of Health.
Chicago-referens (17:e uppl.)Não informado. Royal Society for the Promotion of Health Journal. London: Royal Society of Health, 1955.
MLA-referens (8:e uppl.)Não informado. Royal Society for the Promotion of Health Journal. Royal Society of Health, 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.