World Health Organization. (1996). Trace elements in human nutrition and health.
Chicagoスタイル(17版)引用形式World Health Organization. Trace Elements in Human Nutrition and Health. 1996.
MLA(8版)引用形式World Health Organization. Trace Elements in Human Nutrition and Health. 1996.
警告: この引用は必ずしも正確ではありません.