Não informado. (1966). Industrial and commercial development. Roblaw Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Industrial and Commercial Development. Harare: Roblaw Publishers, 1966.
Lua MLA (8ú heag.)Não informado. Industrial and Commercial Development. Roblaw Publishers, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.