Παραπομπή σε μορφή APA (7η εκδ.)
National Bureau of Economic Research, ebrary, Inc, Gruber, J., & Wise, D. A. (2007). Social security programs and retirement around the world: Fiscal implications of reform. University of Chicago Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)
National Bureau of Economic Research, Inc ebrary, Jonathan Gruber, και David A. Wise. Social Security Programs and Retirement Around the World: Fiscal Implications of Reform. Chicago: University of Chicago Press, 2007.
Παραπομπή σε μορφή MLA (9th εκδ.)
National Bureau of Economic Research, et al. Social Security Programs and Retirement Around the World: Fiscal Implications of Reform. University of Chicago Press, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.