Castillo, L. L. (1997). Mathematics for general education: A cooperative venture of the U.P. Diliman GE Mathematics Committee (Revised edition.). University of the Philppines, GE Mathematics Committee.
Chicagoスタイル(17版)引用形式Castillo, Leticia L. Mathematics for General Education: A Cooperative Venture of the U.P. Diliman GE Mathematics Committee. Revised edition. Quezon City: University of the Philppines, GE Mathematics Committee, 1997.
MLA(9版)引用形式Castillo, Leticia L. Mathematics for General Education: A Cooperative Venture of the U.P. Diliman GE Mathematics Committee. Revised edition. University of the Philppines, GE Mathematics Committee, 1997.
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