Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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