Não informado. (1974). AID research and development abstracts. Agency for International Development.
Chicagoスタイル(17版)引用形式Não informado. AID Research and Development Abstracts. Washington: Agency for International Development, 1974.
MLA(8版)引用形式Não informado. AID Research and Development Abstracts. Agency for International Development, 1974.
警告: この引用は必ずしも正確ではありません.