World Health Organization. (1991). Research abstracts: South-East Asia region. WHO.
Chicagoスタイル(17版)引用形式World Health Organization. Research Abstracts: South-East Asia Region. New Delhi: WHO, 1991.
MLA(8版)引用形式World Health Organization. Research Abstracts: South-East Asia Region. WHO, 1991.
警告: この引用は必ずしも正確ではありません.