University of the Philippines (Los Banos). College of Agriculture, Department of Agronomy, & Plant Breeding Division. Corn culture. s.n.
Citace podle Chicago (17th ed.)University of the Philippines (Los Banos). College of Agriculture, Department of Agronomy, a Plant Breeding Division. Corn Culture. [College, Laguna: s.n.
Citace podle MLA (9th ed.)University of the Philippines (Los Banos). College of Agriculture, et al. Corn Culture. s.n.
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