O'Kelly, E. (1973). Aid and self-help: A general guide to overseas aid. C. Knight.
Chicago-referens (17:e uppl.)O'Kelly, Elizabeth. Aid and Self-help: A General Guide to Overseas Aid. London: C. Knight, 1973.
MLA-referens (8:e uppl.)O'Kelly, Elizabeth. Aid and Self-help: A General Guide to Overseas Aid. C. Knight, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.