Joblin, J. (1963). L'encyclique "Pacem in terris". International Labour Organization.
Cita Chicago Style (17a ed.)Joblin, Joseph. L'encyclique "Pacem in Terris". International Labour Organization, 1963.
Cita MLA (9a ed.)Joblin, Joseph. L'encyclique "Pacem in Terris". International Labour Organization, 1963.
Precaución: Estas citas no son 100% exactas.