APA način citiranja (7. izdanje)

Welch, S. (1979). Signalling in telecommunications networks. Peter Peregrinus, on behalf of the Institution of Electrical Engineers.

Čikaški stil citiranja (17. izdanje)

Welch, Samuel. Signalling in Telecommunications Networks. Stevenage: Peter Peregrinus, on behalf of the Institution of Electrical Engineers, 1979.

MLA način citiranja (9. izdanje)

Welch, Samuel. Signalling in Telecommunications Networks. Peter Peregrinus, on behalf of the Institution of Electrical Engineers, 1979.