Villanueva, R., & Crisostomo, I. (1991). Opposites: Alam ni Kris ang magkabaligtad (3rd printing, 1996.). Anvil Publishing.
Chicago Style (17th ed.) CitationVillanueva, Rene, and Ibarra Crisostomo. Opposites: Alam Ni Kris Ang Magkabaligtad. 3rd printing, 1996. Pasig City, Philippines: Anvil Publishing, 1991.
MLA (9th ed.) CitationVillanueva, Rene, and Ibarra Crisostomo. Opposites: Alam Ni Kris Ang Magkabaligtad. 3rd printing, 1996. Anvil Publishing, 1991.
Warning: These citations may not always be 100% accurate.