Gray, A., Abbena, E., & Salamon, S. (2006). Modern differential geometry of curves and surfaces with Mathematica (3rd ed.). Chapman & Hall CRC.
استشهاد بنمط شيكاغوGray, Alfred, Elsa Abbena, و Simon Salamon. Modern Differential Geometry of Curves and Surfaces with Mathematica. 3rd ed. Boca Raton, FL: Chapman & Hall CRC, 2006.
MLA استشهادGray, Alfred, et al. Modern Differential Geometry of Curves and Surfaces with Mathematica. 3rd ed. Chapman & Hall CRC, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.