LEEDS, C. (1974). Management And Business Studies By C.a.leeds And R.s.stainton. McDonald&Evans.
Lua i Stíl Chicago (17ú heag.)LEEDS, C.A. Management And Business Studies By C.a.leeds And R.s.stainton. McDonald&Evans, 1974.
Lua MLA (8ú heag.)LEEDS, C.A. Management And Business Studies By C.a.leeds And R.s.stainton. McDonald&Evans, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.