Παραπομπή σε μορφή APA (7η εκδ.)

Holzmann, R. (2009). Aging population, pension funds, and financial markets: Regional perspectives and global challenges for central, eastern and southern Europe. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Holzmann, Robert. Aging Population, Pension Funds, and Financial Markets: Regional Perspectives and Global Challenges for Central, Eastern and Southern Europe. Washington, D.C: World Bank, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Holzmann, Robert. Aging Population, Pension Funds, and Financial Markets: Regional Perspectives and Global Challenges for Central, Eastern and Southern Europe. World Bank, 2009.