Aris, R. (1978). Mathematical modelling techniques. Pitman.
Lua i Stíl Chicago (17ú heag.)Aris, Rutherford. Mathematical Modelling Techniques. London: Pitman, 1978.
Lua MLA (9ú heag.)Aris, Rutherford. Mathematical Modelling Techniques. Pitman, 1978.
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