APA (7th ed.) Zitazioa

Schwarz, A. M. (2014). The inverting pyramid: Pension systems facing demographic challenges in Europe and Central Asia. The World Bank.

Chicago Style (17th ed.) Zitazioa

Schwarz, Anita Mahesh. The Inverting Pyramid: Pension Systems Facing Demographic Challenges in Europe and Central Asia. Washington, District of Columbia: The World Bank, 2014.

MLA (9th ed.) Zitazioa

Schwarz, Anita Mahesh. The Inverting Pyramid: Pension Systems Facing Demographic Challenges in Europe and Central Asia. The World Bank, 2014.