AID reference center and technical assistance bureau. (1973). AID research abstracts. Agency for International Development.
Citação do estilo Chicago (17ª ed.)AID reference center and technical assistance bureau. AID Research Abstracts. Washington: Agency for International Development, 1973.
Citação MLA (8ª ed.)AID reference center and technical assistance bureau. AID Research Abstracts. Agency for International Development, 1973.
警告：这些引文格式不一定是100％准确.