O'Kelly, E. (1973). Aid and self-help: A general guide to overseas aid. C. Knight.
Citazione stile Chigago Style (17a edizione)O'Kelly, Elizabeth. Aid and Self-help: A General Guide to Overseas Aid. London: C. Knight, 1973.
Citatione MLA (8a ed.)O'Kelly, Elizabeth. Aid and Self-help: A General Guide to Overseas Aid. C. Knight, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.