Andal, S. M., & Cuyegkeng, J. M. I. (1991). Discovering economics: Textbook for Filipino students. Cacho Pub.
芝加哥风格引文Andal, Sergio M., 与 Jose Mario I. Cuyegkeng. Discovering Economics: Textbook for Filipino Students. Mandaluyong, M.M: Cacho Pub, 1991.
MLA引文Andal, Sergio M., 与 Jose Mario I. Cuyegkeng. Discovering Economics: Textbook for Filipino Students. Cacho Pub, 1991.
警告：这些引文格式不一定是100％准确.