Cita APA (7th ed.)

TISAL, J. (2001). GSM NETWORK (2ND.). JOHN WILEY & SONS.

Cita Chicago (17th ed.)

TISAL, JOACHIM. GSM NETWORK. 2ND. NEW YORK: JOHN WILEY & SONS, 2001.

Cita MLA (9th ed.)

TISAL, JOACHIM. GSM NETWORK. 2ND. JOHN WILEY & SONS, 2001.