National Technical Information Service. (1972). Application of modern technologies to international development. Agency for International Development.
Citação do estilo Chicago (17ª ed.)National Technical Information Service. Application of Modern Technologies to International Development. Washington: Agency for International Development, 1972.
Citação MLA (8ª ed.)National Technical Information Service. Application of Modern Technologies to International Development. Agency for International Development, 1972.
警告：这些引文格式不一定是100％准确.