David, C. C. (1982). Economic policies and agricultural incentives. Philippine Institute for Development Studies.
Citazione stile Chigago Style (17a edizione)David, Cristina C. Economic Policies and Agricultural Incentives. [Makati, Metro Manila]: Philippine Institute for Development Studies, 1982.
Citatione MLA (9a ed.)David, Cristina C. Economic Policies and Agricultural Incentives. Philippine Institute for Development Studies, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.