CHORAFAS, D. N. TELEPHONY TODAY & TOMORROW. PRENTICE - HALL.
Chicago Style (17th ed.) CitationCHORAFAS, D. N. TELEPHONY TODAY & TOMORROW. ENGLEWOOD: PRENTICE - HALL.
MLA (9th ed.) CitationCHORAFAS, D. N. TELEPHONY TODAY & TOMORROW. PRENTICE - HALL.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.