World Health Organization. (2011). The fourth ten years of the World Health Organization 1978-1987. World Health Organization.
Chicagoスタイル(17版)引用形式World Health Organization. The Fourth Ten Years of the World Health Organization 1978-1987. Geneva: World Health Organization, 2011.
MLA(8版)引用形式World Health Organization. The Fourth Ten Years of the World Health Organization 1978-1987. World Health Organization, 2011.
警告: この引用は必ずしも正確ではありません.