Não informado. (2001). Philippine Agriculturist and Forester. University of the Philippines, College of Agriculture.
Citace podle Chicago (17th ed.)Não informado. Philippine Agriculturist and Forester. Los Banos, Filipinas: University of the Philippines, College of Agriculture, 2001.
Citace podle MLA (8th ed.)Não informado. Philippine Agriculturist and Forester. University of the Philippines, College of Agriculture, 2001.
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