APA (7th ed.) Citation

Codex, 7. M. (1992). The basics book of ISDN. Reading, Mass : Addison-Wesley.

Chicago Style (17th ed.) Citation

Codex, 7341 Motorola. The Basics Book of ISDN. Reading, Mass : Addison-Wesley, 1992.

MLA (9th ed.) Citation

Codex, 7341 Motorola. The Basics Book of ISDN. Reading, Mass : Addison-Wesley, 1992.

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