Não informado. (2001). Philippine Agriculturist. University of the Philippines, College of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Philippine Agriculturist. Los Banos, Filipinas: University of the Philippines, College of Agriculture, 2001.
MLA(8版)引用形式Não informado. Philippine Agriculturist. University of the Philippines, College of Agriculture, 2001.
警告: この引用は必ずしも正確ではありません.