Narag, E. R. (2007). Mathematics of investment (Rev ed.). F & J De Jesus.
Lua i Stíl Chicago (17ú heag.)Narag, Edlyn R. Mathematics of Investment. Rev ed. Makati City: F & J De Jesus, 2007.
Lua MLA (9ú heag.)Narag, Edlyn R. Mathematics of Investment. Rev ed. F & J De Jesus, 2007.
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