Shannon, D. (2003). Swedish graffiti: A criminological perspective. Avhandlingsserie.
Cita Chicago Style (17a ed.)Shannon, David. "Swedish Graffiti: A Criminological Perspective." Avhandlingsserie 2003.
Cita MLA (9a ed.)Shannon, David. "Swedish Graffiti: A Criminological Perspective." Avhandlingsserie, 2003.
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