Não informado. (1990). Organization Science. Institute of Management Sciences.
Lua i Stíl Chicago (17ú heag.)Não informado. Organization Science. Providence, RI: Institute of Management Sciences, 1990.
Lua MLA (8ú heag.)Não informado. Organization Science. Institute of Management Sciences, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.