Garg, V. K., & Wilkes, J. E. (1999). Principles and applications of GSM. Prentice Hall PTR.
Dyfyniad Arddull ChicagoGarg, Vijay Kumar, and Joseph E. Wilkes. Principles and Applications of GSM. Upper Saddle River, N.J. : New Delhi: Prentice Hall PTR, 1999.
Dyfyniad MLAGarg, Vijay Kumar, and Joseph E. Wilkes. Principles and Applications of GSM. Prentice Hall PTR, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.