Παραπομπή σε μορφή APA (7η εκδ.)

Charles Babbage Institute. (1985). A manual of operation for the automatic sequence controlled calculator. Massachusetts Institute of Technology Cambridge Mass.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Charles Babbage Institute. A Manual of Operation for the Automatic Sequence Controlled Calculator. Cambridge Mass: Massachusetts Institute of Technology Cambridge Mass, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

Charles Babbage Institute. A Manual of Operation for the Automatic Sequence Controlled Calculator. Massachusetts Institute of Technology Cambridge Mass, 1985.