International Symposium on Symbolic and Algebraic Computation Marseille, France, & Ng, E. W. (1979). Symbolic and algebraic computation: EUROSAM 79, an International Symposium on Symbolic and Algebraic Manipulation, Marseille, France, June 1979. SpringerVerlag.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Symposium on Symbolic and Algebraic Computation Marseille, France, و Edward W. Ng. Symbolic and Algebraic Computation: EUROSAM 79, an International Symposium on Symbolic and Algebraic Manipulation, Marseille, France, June 1979. Berlin ; New York: SpringerVerlag, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Symposium on Symbolic and Algebraic Computation Marseille, France, و Edward W. Ng. Symbolic and Algebraic Computation: EUROSAM 79, an International Symposium on Symbolic and Algebraic Manipulation, Marseille, France, June 1979. SpringerVerlag, 1979.