Research team discovers fern that absorbs arsenic, copper. The Philippine Star.
Chicagoスタイル(17版)引用形式"Research Team Discovers Fern That Absorbs Arsenic, Copper." The Philippine Star .
MLA(9版)引用形式"Research Team Discovers Fern That Absorbs Arsenic, Copper." The Philippine Star, .
警告: この引用は必ずしも正確ではありません.