Não informado. (1964). Journal of the Institute of Health Education. Institute of Health Education.
Chicago-referens (17:e uppl.)Não informado. Journal of the Institute of Health Education. Sheffield, Inglaterra: Institute of Health Education, 1964.
MLA-referens (8:e uppl.)Não informado. Journal of the Institute of Health Education. Institute of Health Education, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.