APA

United Nations Educational S. a. C. O., . (1963). Perú : instituciones. Montevideo: United Nations Educational, Scientific and Cultural Organization.

Chicago

United Nations Educational Scientific and Cultural Organization, . 1963. Perú : instituciones. Montevideo: United Nations Educational, Scientific and Cultural Organization.

Harvard

United Nations Educational S. a. C. O., . (1963). Perú : instituciones. Montevideo: United Nations Educational, Scientific and Cultural Organization.

MLA

United Nations Educational Scientific and Cultural Organization, . Perú : instituciones. Montevideo: United Nations Educational, Scientific and Cultural Organization. 1963.