Gaya APA

BERTOCCHI, M. et al (2010). Optimizing the Aging, Retirement, and Pensions Dilemma . America: John Wiley and Sons.

Gaya MLA

BERTOCCHI, Marida. et al. "Optimizing the Aging, Retirement, and Pensions Dilemma". America: John Wiley and Sons, 2010. Text.