| in paper |
 Leendertse, Matthijs; Pennings, Leo (2007) Centralized Content Portals: iTunes and the Publishing Industry
|
|---|---|
| authors |
 Mcquail, D.
|
| year | 2000 |
| title |
Mass Communication Theory
|
| source | London: Sage Publications |
| last changed | 2008/03/14 13:58 |
