Dalangin, A. M. D., & Sih, R. A. L. UPLB training and demonstration center for organic agriculture.
Chicagoスタイル(17版)引用形式Dalangin, April Mae D.M, , Raymond Andrew L. Sih. UPLB Training and Demonstration Center for Organic Agriculture.
MLA(9版)引用形式Dalangin, April Mae D.M, , Raymond Andrew L. Sih. UPLB Training and Demonstration Center for Organic Agriculture.
警告: この引用は必ずしも正確ではありません.