Παραπομπή σε μορφή APA (7η εκδ.)

Data communication networks directory. Recommendations X.500 - X.521 CCITT: Blue book. Volume VIII Fsc. VIII.8 IXth Plenary Assembly, Melbourne, 14-25 November 1988.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Data Communication Networks Directory. Recommendations X.500 - X.521 CCITT: Blue Book. Volume VIII Fsc. VIII.8 IXth Plenary Assembly, Melbourne, 14-25 November 1988.

Παραπομπή σε μορφή MLA (8th εκδ.)

Data Communication Networks Directory. Recommendations X.500 - X.521 CCITT: Blue Book. Volume VIII Fsc. VIII.8 IXth Plenary Assembly, Melbourne, 14-25 November 1988.