Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Barbi, E., Vaupel, J. W., & Bongaarts, J. (2008). How Long Do We Live?: Demographic Models and Reflections on Tempo Effects. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Elisabetta Barbi, James W. Vaupel, και John Bongaarts. How Long Do We Live?: Demographic Models and Reflections on Tempo Effects. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. How Long Do We Live?: Demographic Models and Reflections on Tempo Effects. Springer Berlin Heidelberg, 2008.