Não informado. (1973). Applied Sciences and Development. Institute for Scientific Co-operation.
Lua i Stíl Chicago (17ú heag.)Não informado. Applied Sciences and Development. Tubingen, Alemanha: Institute for Scientific Co-operation, 1973.
Lua MLA (8ú heag.)Não informado. Applied Sciences and Development. Institute for Scientific Co-operation, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.