APA (7th ed.) Citation

Heldman. (1993). Information telecommunications: Networks products,and service. McGraw Hill.

Chicago Style (17th ed.) Citation

Heldman. Information Telecommunications: Networks Products,and Service. New York: McGraw Hill, 1993.

MLA (9th ed.) Citation

Heldman. Information Telecommunications: Networks Products,and Service. McGraw Hill, 1993.

Warning: These citations may not always be 100% accurate.