APA (7th ed.) Citation

(1987). Open systems interconnection. Pergamon Infotech.

Chicago Style (17th ed.) Citation

Open Systems Interconnection. Oxford u.a: Pergamon Infotech, 1987.

MLA (9th ed.) Citation

Open Systems Interconnection. Pergamon Infotech, 1987.

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