(1998). Media Economics, Theory and Practice, Second Edition. Lawrence Erlbaum Associates, Publisher.
Lua i Stíl Chicago (17ú heag.)Media Economics, Theory and Practice, Second Edition. Lawrence Erlbaum Associates, Publisher, 1998.
Lua MLA (8ú heag.)Media Economics, Theory and Practice, Second Edition. Lawrence Erlbaum Associates, Publisher, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.