Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Ball, J. A. (2012). Recent progress in operator theory and its applications. Springer Basel.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Joseph A. Ball. Recent Progress in Operator Theory and Its Applications. Basel: Springer Basel, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Joseph A. Ball. Recent Progress in Operator Theory and Its Applications. Springer Basel, 2012.