World Health Organization. (1989). WORLD health organization: : publications catalogue 1948- 1989. World Health Organization.
Chicagoスタイル(17版)引用形式World Health Organization. WORLD Health Organization: : Publications Catalogue 1948- 1989. World Health Organization, 1989.
MLA(9版)引用形式World Health Organization. WORLD Health Organization: : Publications Catalogue 1948- 1989. World Health Organization, 1989.
警告: この引用は必ずしも正確ではありません.