Παραπομπή σε μορφή APA (7η εκδ.)

Computer Technology Research. (1990). Analysis of today's telecommnications systems: IBM v.s competitors. Computer Technology Research Corp.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Computer Technology Research. Analysis of Today's Telecommnications Systems: IBM V.s Competitors. New York: Computer Technology Research Corp, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Computer Technology Research. Analysis of Today's Telecommnications Systems: IBM V.s Competitors. Computer Technology Research Corp, 1990.