Gaya APA

Bengtsson, T., Keilman, N. (2019). Old and New Perspectives on Mortality Forecasting (1st ed. 2019). : Springer International Publishing.

Gaya MLA

Bengtsson, Tommy., Keilman, Nico. "Old and New Perspectives on Mortality Forecasting". 1st ed. 2019 : Springer International Publishing, 2019. Electronic Resource.