Goodman, J. E., Pach, J., & Pollack, R. (2009). Twentieth anniversary volume: Discrete & computational geometry. Springer.
Cita Chicago (17th ed.)Goodman, Jacob E., Jacob Pach, i Richard Pollack. Twentieth Anniversary Volume: Discrete & Computational Geometry. New York, [London]: Springer, 2009.
Cita MLA (9th ed.)Goodman, Jacob E., et al. Twentieth Anniversary Volume: Discrete & Computational Geometry. Springer, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.