Hussey , D. . . E., & Langham, M. J. (1979). Corporate planning: The human factor. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Hussey , David Edward, agus M. J. Langham. Corporate Planning: The Human Factor. Oxford: Pergamon Press, 1979.
Lua MLA (9ú heag.)Hussey , David Edward, agus M. J. Langham. Corporate Planning: The Human Factor. Pergamon Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.