Schoderbek, P. P. (1988). Management. Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)Schoderbek, Peter P. Management. Harcourt Brace Jovanovich, 1988.
Lua MLA (9ú heag.)Schoderbek, Peter P. Management. Harcourt Brace Jovanovich, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.