(2011). The Philippines recommends for duck egg production. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development.
Citazione stile Chigago Style (17a edizione)The Philippines Recommends for Duck Egg Production. Los Baños, Laguna: Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 2011.
Citatione MLA (9a ed.)The Philippines Recommends for Duck Egg Production. Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.