Groebner, D. F. (1992). Introduction To Management Science / David F. Groebner, Patrick W. Shannon. Macmillan.
Lua i Stíl Chicago (17ú heag.)Groebner, David F. Introduction To Management Science / David F. Groebner, Patrick W. Shannon. Macmillan, 1992.
Lua MLA (8ú heag.)Groebner, David F. Introduction To Management Science / David F. Groebner, Patrick W. Shannon. Macmillan, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.