Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Perna, C., & Sibillo, M. (2012). Mathematical and Statistical Methods for Actuarial Sciences and Finance. Springer Milan : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Cira Perna, και Marilena Sibillo. Mathematical and Statistical Methods for Actuarial Sciences and Finance. Milano: Springer Milan : Imprint: Springer, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Mathematical and Statistical Methods for Actuarial Sciences and Finance. Springer Milan : Imprint: Springer, 2012.