APA Style
Heldman, Robert K. (1993).
Future telecommunications : information applications, services & infrastructure .
Washington DC:
McGraw-Hill.
Chicago Style
Heldman, Robert K.
Future telecommunications : information applications, services & infrastructure.
Washington DC:
McGraw-Hill,
1993.
Books.
MLA Style
Heldman, Robert K.
Future telecommunications : information applications, services & infrastructure.
Washington DC:
McGraw-Hill,
1993.
Books.
Turabian Style
Heldman, Robert K.
Future telecommunications : information applications, services & infrastructure.
Washington DC:
McGraw-Hill,
1993.
Books.