Παραπομπή σε μορφή APA (7η εκδ.)

Ritter, F. E., Baxter, G. D., & Churchill, E. F. Foundations for desgning user-centered systems: What system designers need to know about people.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ritter, Frank E., Gordon D. Baxter, και Elizabeth F. Churchill. Foundations for Desgning User-centered Systems: What System Designers Need to Know About People.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ritter, Frank E., et al. Foundations for Desgning User-centered Systems: What System Designers Need to Know About People.