Lua APA (7ú heag.)
Hartfiel, D. J. (2002). Nonhomogeneous matrix products. World Scientific.
Lua i Stíl Chicago (17ú heag.)
Hartfiel, D. J. Nonhomogeneous Matrix Products. River Edge, N.J.: World Scientific, 2002.
Lua MLA (9ú heag.)
Hartfiel, D. J. Nonhomogeneous Matrix Products. World Scientific, 2002.
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