International conference on statistical and scientific database management :Charlotte & Michalewicz, Z. Statistical and scientific database management: Fifth international conference, V SSDBM, Charlotte, N.C., USA, April 3-5, 1990 : proceedings. Springer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International conference on statistical and scientific database management :Charlotte و Zbigniew Michalewicz. Statistical and Scientific Database Management: Fifth International Conference, V SSDBM, Charlotte, N.C., USA, April 3-5, 1990 : Proceedings. Berlin [etc.]: Springer.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International conference on statistical and scientific database management :Charlotte و Zbigniew Michalewicz. Statistical and Scientific Database Management: Fifth International Conference, V SSDBM, Charlotte, N.C., USA, April 3-5, 1990 : Proceedings. Springer.