(1980). The Philippine grains industry: Its growth and development. s.n.
Citazione stile Chigago Style (17a edizione)The Philippine Grains Industry: Its Growth and Development. [Manila: s.n, 1980.
Citatione MLA (9a ed.)The Philippine Grains Industry: Its Growth and Development. s.n, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.