Ferreira, O. (2002). Extending social security: Challenges for Cape Verde. Social Security Policy and Development Branch, International Labour Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFerreira, Orlanda. Extending Social Security: Challenges for Cape Verde. Geneva: Social Security Policy and Development Branch, International Labour Office, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFerreira, Orlanda. Extending Social Security: Challenges for Cape Verde. Social Security Policy and Development Branch, International Labour Office, 2002.
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