Message Handling and Directory Services Operations and Definition of Service. Recommendations F.400-F422, F500 CCITT: Blue Book. vol. II - Fasc. II.6 IXth Plenary Assembly Melbourn, 14-25 November 1988.
Παραπομπή σε μορφή Chicago (17η εκδ.)Message Handling and Directory Services Operations and Definition of Service. Recommendations F.400-F422, F500 CCITT: Blue Book. Vol. II - Fasc. II.6 IXth Plenary Assembly Melbourn, 14-25 November 1988.
Παραπομπή σε μορφή MLA (8th εκδ.)Message Handling and Directory Services Operations and Definition of Service. Recommendations F.400-F422, F500 CCITT: Blue Book. Vol. II - Fasc. II.6 IXth Plenary Assembly Melbourn, 14-25 November 1988.
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