AID reference center and technical assistance bureau. (1973). AID research abstracts. Agency for International Development.
Lua i Stíl Chicago (17ú heag.)AID reference center and technical assistance bureau. AID Research Abstracts. Washington: Agency for International Development, 1973.
Lua MLA (8ú heag.)AID reference center and technical assistance bureau. AID Research Abstracts. Agency for International Development, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.