APA ציטוט

Duchateau, L., & Janssen, P. (2008). Frailty model. Springer.

Chicago Edition Citation

Duchateau, Luc, and Paul Janssen. Frailty Model. New York: Springer, 2008.

ציטוט MLA

Duchateau, Luc, and Paul Janssen. Frailty Model. Springer, 2008.