Beaumont, J. H. (1981). A hand-operated bar mill for decorticating sunflower seed. Tropical Products Institute.
Chicago Style (17. basım) AtıfBeaumont, J H. A Hand-operated Bar Mill for Decorticating Sunflower Seed. London: Tropical Products Institute, 1981.
MLA (8th ed.) AtıfBeaumont, J H. A Hand-operated Bar Mill for Decorticating Sunflower Seed. Tropical Products Institute, 1981.
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