HUMES, S. (1993). Managing The Mulltinational. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)HUMES, Samuel. Managing The Mulltinational. Prentice-Hall, 1993.
Lua MLA (8ú heag.)HUMES, Samuel. Managing The Mulltinational. Prentice-Hall, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.