Catholic Church. Pope (1963-1978 : Paul VI). (1967). On the development of peoples: Populorum progressio. Our Sunday Visitor.
Citace podle Chicago (17th ed.)Catholic Church. Pope (1963-1978 : Paul VI). On the Development of Peoples: Populorum Progressio. Huntington, Ind.: Our Sunday Visitor, 1967.
Citace podle MLA (8th ed.)Catholic Church. Pope (1963-1978 : Paul VI). On the Development of Peoples: Populorum Progressio. Our Sunday Visitor, 1967.
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