Tubiana, J. (1988). Ethioconcord: A computerized concordance of the Ethiopian and Gregorian calendars. Bibliothèque Peiresc.
Chicago Style (17th ed.) CitationTubiana, Joseph. "Ethioconcord: A Computerized Concordance of the Ethiopian and Gregorian Calendars." Bibliothèque Peiresc 1988.
MLA (8th ed.) CitationTubiana, Joseph. "Ethioconcord: A Computerized Concordance of the Ethiopian and Gregorian Calendars." Bibliothèque Peiresc, 1988.
Warning: These citations may not always be 100% accurate.