American Psychological Association (APA)
C-E. (n.d.). ATIS Telecom Glossary 2007. Retrieved July 7, 2022, from website: http://www.expertglossary.com/definition/c-e.
Chicago Manual of Style (CMS)
C-E. www.atis.org. ATIS Telecom Glossary 2007. ATIS. http://www.expertglossary.com/definition/c-e (accessed: July 7, 2022).
Modern Language Association (MLA)
"C-E." ATIS Telecom Glossary 2007. ATIS. 7 July. 2022 http://www.expertglossary.com/definition/c-e.