Macedo, H.D.; Oliveira, J.N. «Typing linear algebra: A biproduct-oriented approach». Science of Computer Programming, vol. 78, 11, 2013, pàg. 2160–2191. DOI: 10.1016/j.scico.2012.07.012.
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Eves, Howard. Elementary Matrix Theory. Reimpressió. Nova York: Dover, 1980, p. 37. ISBN 0-486-63946-0 [Consulta: 24 abril 2013]. «We shall find that it is sometimes convenient to subdivide a matrix into rectangular blocks of elements. This leads us to consider so-called partitioned, or block, matrices.»
Eves, Howard. Elementary Matrix Theory. reimpressió. Nova York: Dover, 1980, p. 37. ISBN 0-486-63946-0 [Consulta: 24 abril 2013]. «A partitioning as in Theorem 1.9.4 is called a conformable partition of A and B.»