National Technical Information Service. (1972). Application of modern technologies to international development. Agency for International Development.
Chicago-referens (17:e uppl.)National Technical Information Service. Application of Modern Technologies to International Development. Washington: Agency for International Development, 1972.
MLA-referens (8:e uppl.)National Technical Information Service. Application of Modern Technologies to International Development. Agency for International Development, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
