Ramon Magsaysay Award Foundation. (1973). Ramon Magsaysay Award: 1973 presentation ceremonies. Ramon Magsaysay Award Foundation.
Citazione stile Chigago Style (17a edizione)Ramon Magsaysay Award Foundation. Ramon Magsaysay Award: 1973 Presentation Ceremonies. Manila: Ramon Magsaysay Award Foundation, 1973.
Citatione MLA (9a ed.)Ramon Magsaysay Award Foundation. Ramon Magsaysay Award: 1973 Presentation Ceremonies. Ramon Magsaysay Award Foundation, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.