Bös, D. (1989). Public Enterprise Economics (Second Edition). ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Bös, Dieter. Public Enterprise Economics (Second Edition). ELSEVIER, 1989.
Lua MLA (8ú heag.)Bös, Dieter. Public Enterprise Economics (Second Edition). ELSEVIER, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.