Philippines. Ministry of Agriculture & Planning Service. (1979). Ministry of Agriculture manual. National Media Production Center.
Citazione stile Chigago Style (17a edizione)Philippines. Ministry of Agriculture e Planning Service. Ministry of Agriculture Manual. [Manila]: National Media Production Center, 1979.
Citatione MLA (9a ed.)Philippines. Ministry of Agriculture e Planning Service. Ministry of Agriculture Manual. National Media Production Center, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.