U.P. Diliman GE Mathematics Committee. (1997). Mathematics for general education. UP-GE Mathematics Committee.
Chicago-referens (17:e uppl.)U.P. Diliman GE Mathematics Committee. Mathematics for General Education. Quezon City: UP-GE Mathematics Committee, 1997.
MLA-referens (9:e uppl.)U.P. Diliman GE Mathematics Committee. Mathematics for General Education. UP-GE Mathematics Committee, 1997.
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