Hess, P., & Siciliano, J. (1996). Management: Responsibility for performance. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Hess, Peter, agus Julie Siciliano. Management: Responsibility for Performance. New York: McGraw-Hill, 1996.
Lua MLA (9ú heag.)Hess, Peter, agus Julie Siciliano. Management: Responsibility for Performance. McGraw-Hill, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.