National Mathematics Congress of the Philippines (1st : 1973 : Manila), Quimpo, N. F., & Mathematical Society of the Philippines, I. (1974). Mathematics in the Philippines 1: Proceedings of the First National Mathematics Congress in the Philippines, Manila, May 20-June 2, 1973. Mathematical Society of the Philippines.
Chicago-referens (17:e uppl.)National Mathematics Congress of the Philippines (1st : 1973 : Manila), Narman F. Quimpo, och Inc Mathematical Society of the Philippines. Mathematics in the Philippines 1: Proceedings of the First National Mathematics Congress in the Philippines, Manila, May 20-June 2, 1973. Manila: Mathematical Society of the Philippines, 1974.
MLA-referens (9:e uppl.)National Mathematics Congress of the Philippines (1st : 1973 : Manila), et al. Mathematics in the Philippines 1: Proceedings of the First National Mathematics Congress in the Philippines, Manila, May 20-June 2, 1973. Mathematical Society of the Philippines, 1974.