University of the Philippines (Diliman). Science Education Center. (1968). High school geometry (Experimental ed.). s.n.
Chicago-Zitierstil (17. Ausg.)University of the Philippines (Diliman). Science Education Center. High School Geometry. Experimental ed. [Quezon City: s.n, 1968.
MLA-Zitierstil (9. Ausg.)University of the Philippines (Diliman). Science Education Center. High School Geometry. Experimental ed. s.n, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.