Não informado. (1948). Management abstracts: Digest and reviews. British Institute of Management.
Lua i Stíl Chicago (17ú heag.)Não informado. Management Abstracts: Digest and Reviews. London: British Institute of Management, 1948.
Lua MLA (8ú heag.)Não informado. Management Abstracts: Digest and Reviews. British Institute of Management, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.