APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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