Torres, C. Y. (1988). Gulok: Isang makabagong epiko. New Horizons Research and Publications.
芝加哥风格引文Torres, Cesario Y. Gulok: Isang Makabagong Epiko. Quezon City: New Horizons Research and Publications, 1988.
MLA引文Torres, Cesario Y. Gulok: Isang Makabagong Epiko. New Horizons Research and Publications, 1988.
警告：这些引文格式不一定是100％准确.