Joven, J. E. A. (1998). Developing plant extracts into herbicides. PCARRD Monitor.
Chicagoスタイル(17版)引用形式Joven, Joel Eneristo A. "Developing Plant Extracts into Herbicides." PCARRD Monitor 1998.
MLA(9版)引用形式Joven, Joel Eneristo A. "Developing Plant Extracts into Herbicides." PCARRD Monitor, 1998.
警告: この引用は必ずしも正確ではありません.