Beaumont, J. H. (1981). A hand-operated disc mill for decorticating sunflower seed. Tropical Products Institute.
Citazione stile Chigago Style (17a edizione)Beaumont, J H. A Hand-operated Disc Mill for Decorticating Sunflower Seed. London: Tropical Products Institute, 1981.
Citatione MLA (8a ed.)Beaumont, J H. A Hand-operated Disc Mill for Decorticating Sunflower Seed. Tropical Products Institute, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.