Não informado. (1983). Outlook. Program for Appropriate Technology in Health.
Chicago-referens (17:e uppl.)Não informado. Outlook. Seattle, Wash: Program for Appropriate Technology in Health, 1983.
MLA-referens (8:e uppl.)Não informado. Outlook. Program for Appropriate Technology in Health, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.