Não informado. (2001). Philippine Agriculturist and Forester. University of the Philippines, College of Agriculture.
Citação do estilo Chicago (17ª ed.)Não informado. Philippine Agriculturist and Forester. Los Banos, Filipinas: University of the Philippines, College of Agriculture, 2001.
Citação MLA (8ª ed.)Não informado. Philippine Agriculturist and Forester. University of the Philippines, College of Agriculture, 2001.
警告：这些引文格式不一定是100％准确.