Zan, J. R. Popular music and policing in Brazil. Policing pop.
Lua i Stíl Chicago (17ú heag.)Zan, José Roberto. "Popular Music and Policing in Brazil." Policing Pop .
Lua MLA (8ú heag.)Zan, José Roberto. "Popular Music and Policing in Brazil." Policing Pop, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.