Castillo, L. L. (1988). Notes in mathematics for general education: A cooperative venture of the U.P. Diliman GE Mathematics Committee. University of the Philippines, GE Committee.
Chicagoスタイル(17版)引用形式Castillo, Leticia L. Notes in Mathematics for General Education: A Cooperative Venture of the U.P. Diliman GE Mathematics Committee. Quezon City: University of the Philippines, GE Committee, 1988.
MLA(9版)引用形式Castillo, Leticia L. Notes in Mathematics for General Education: A Cooperative Venture of the U.P. Diliman GE Mathematics Committee. University of the Philippines, GE Committee, 1988.
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