Referanser

1. ^The DEC Professional: DEC Timesharing
2. ^"A powerful and sophisticated text editor, TECO (Text Editor and Corrector) ...Bell, C. Gordon; Mudge, J. Craig; McNamara, John E. (2014).ISBN 1483221105https://books.google.com/books?isbn=1483221105. Manglende eller tom|tittel= (hjelp)
3. ^The name on the cover of DEC's DEC-10-UTECA-A-D manual is "Introduction To TECO (Text Editor And Corrector)"
4. ^. 1970. s. 2-30. Manglende eller tom|tittel= (hjelp)
5. ^^abMurphy, Dan (oktober–desember 2009).IEEE Annals of the History of Computing(PDF). 31 (4): 110–115.doi:10.1109/mahc.2009.127http://tenex.opost.com/anhc-31-4-anec.pdf. Manglende eller tom|tittel= (hjelp)
6. ^citing Comm. of the ACM (see vol. 19, no. 12, 1976)

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