Cita APA (7a ed.)
International Unión Of Social Studies & INTERNATIONAL UNION OF SOCIAL STUDIES. (1929). A CODE OF SOCIAL PRINCIPLES.
Cita estilo Chicago (17a ed.)
International Unión Of Social Studies y INTERNATIONAL UNION OF SOCIAL STUDIES. A CODE OF SOCIAL PRINCIPLES. 1929.
Cita MLA (9a ed.)
International Unión Of Social Studies y INTERNATIONAL UNION OF SOCIAL STUDIES. A CODE OF SOCIAL PRINCIPLES. 1929.
Precaución: Estas citas no son 100% exactas.