David, C. C. (1982). Economic policies and agricultural incentives. Philippine Institute for Development Studies.
芝加哥风格引文David, Cristina C. Economic Policies and Agricultural Incentives. [Makati, Metro Manila]: Philippine Institute for Development Studies, 1982.
MLA引文David, Cristina C. Economic Policies and Agricultural Incentives. Philippine Institute for Development Studies, 1982.
警告：这些引文格式不一定是100％准确.