Não informado. (1970). Sloan Management Review. Massachusetts Institute of Technology.
Lua i Stíl Chicago (17ú heag.)Não informado. Sloan Management Review. Cambridge, Mass: Massachusetts Institute of Technology, 1970.
Lua MLA (8ú heag.)Não informado. Sloan Management Review. Massachusetts Institute of Technology, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.