(1979). Business Policy And Strategy Selected Readings Editor By Edmund R. Gray. Austin Press.
Lua i Stíl Chicago (17ú heag.)Business Policy And Strategy Selected Readings Editor By Edmund R. Gray. Austin Press, 1979.
Lua MLA (8ú heag.)Business Policy And Strategy Selected Readings Editor By Edmund R. Gray. Austin Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.