Παραπομπή σε μορφή APA (7η εκδ.)

Echterhoff, S. (1996). Crossed products with continuous trace. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Echterhoff, Siegfried. Crossed Products with Continuous Trace. Providence, Rhode island: American Mathematical Society, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Echterhoff, Siegfried. Crossed Products with Continuous Trace. American Mathematical Society, 1996.