Heller, S. (2017). Retirement life insurance: How much is needed to optimize retirement spending. DeG Press. https://doi.org/10.1515/9781501506185
Chicago-Zitierstil (17. Ausg.)Heller, Steve. Retirement Life Insurance: How Much Is Needed to Optimize Retirement Spending. Boston ; Berlin: DeG Press, 2017. https://doi.org/10.1515/9781501506185.
MLA-Zitierstil (9. Ausg.)Heller, Steve. Retirement Life Insurance: How Much Is Needed to Optimize Retirement Spending. DeG Press, 2017. https://doi.org/10.1515/9781501506185.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.