Παραπομπή σε μορφή APA (7η εκδ.)

Dritschel, M. A., & Woerdeman, H. J. (1997). Model theory and linear extreme points in the numerical radius unit ball. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Dritschel, Michael A., και Hugo J. Woerdeman. Model Theory and Linear Extreme Points in the Numerical Radius Unit Ball. Providence, Rhode island: American Mathematical Society, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Dritschel, Michael A., και Hugo J. Woerdeman. Model Theory and Linear Extreme Points in the Numerical Radius Unit Ball. American Mathematical Society, 1997.