Medalla, E. M., & Yap, J. T. (2008). Policy issues for the ASEAN Economic Community: The rules of origin. Philippine Institute for Development Studies.
芝加哥风格引文Medalla, Erlinda M., 与 Josef T. Yap. Policy Issues for the ASEAN Economic Community: The Rules of Origin. Makati City: Philippine Institute for Development Studies, 2008.
MLA引文Medalla, Erlinda M., 与 Josef T. Yap. Policy Issues for the ASEAN Economic Community: The Rules of Origin. Philippine Institute for Development Studies, 2008.
警告：这些引文格式不一定是100％准确.