Philippines (Republic) Dept. of Agriculture and Natural Resources Agricultural Information Division. (1967). Produce more rice through improved practices. s.n.
Citazione stile Chigago Style (17a edizione)Philippines (Republic) Dept. of Agriculture and Natural Resources Agricultural Information Division. Produce More Rice Through Improved Practices. [Quezon City: s.n, 1967.
Citatione MLA (9a ed.)Philippines (Republic) Dept. of Agriculture and Natural Resources Agricultural Information Division. Produce More Rice Through Improved Practices. s.n, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.