↑ Lazere, Donald. American media and mass culture: left perspectives. Cite book URL https://books.google.com/books?id=pT8X-YnxOHwC&pg=PA520&dq=rockerduck#v=onepage&q=rockerduck&f=false Title American media and mass culture: left perspectives Last name Lazere, Donald ↑ Enrico Giacovelli, Poi dice che uno si butta a sinistra!, Gremese editore, 1996, p.