International Labour Office. Social Security Dept & ebrary, Inc. (2010). Extending social security to all: A guide through challenges and options. International Labour Organization.
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Chicago Style (17th ed.) Zitazioa
International Labour Office. Social Security Dept eta Inc ebrary. Extending Social Security to All: A Guide Through Challenges and Options. Geneva: International Labour Organization, 2010.
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MLA (9th ed.) Zitazioa
International Labour Office. Social Security Dept eta Inc ebrary. Extending Social Security to All: A Guide Through Challenges and Options. International Labour Organization, 2010.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.