APA (7th ed.) Citation

Heldman, R. K. (1987). Telecommunications management planning: ISDN networks, products, and services. TAB Professional and Reference Books.

Chicago Style (17th ed.) Citation

Heldman, Robert K. Telecommunications Management Planning: ISDN Networks, Products, and Services. Blue Ridge Summit, PA: TAB Professional and Reference Books, 1987.

MLA (9th ed.) Citation

Heldman, Robert K. Telecommunications Management Planning: ISDN Networks, Products, and Services. TAB Professional and Reference Books, 1987.