Robertson, Stewart A. (1984). Polytopes and Symmetry. Cambridge University Press. p. 75. ISBN 9780521277396. 9780521277396
Branko Grünbaum has also used the word "cuboid" to describe a more general class of convex polytopes in three or more dimensions, obtained by gluing together polytopes combinatorially equivalent to hypercubes. See: Grünbaum, Branko (2003). Convex Polytopes. Graduate Texts in Mathematics. Vol. 221 (2nd ed.). New York: Springer-Verlag. p. 59. doi:10.1007/978-1-4613-0019-9. ISBN 978-0-387-00424-2. MR 1976856. 978-0-387-00424-2
Robertson, Stewart A. (1984). Polytopes and Symmetry. Cambridge University Press. p. 75. ISBN 9780521277396. 9780521277396
Dupuis, Nathan F. (1893). Elements of Synthetic Solid Geometry. Macmillan. p. 53. Retrieved December 1, 2018. https://archive.org/details/elementssynthet01dupugoog/page/n68
Robertson, S. A. (1983). "Polyhedra and symmetry". The Mathematical Intelligencer. 5 (4): 57–60. doi:10.1007/BF03026511. MR 0746897. /wiki/The_Mathematical_Intelligencer