(EN) Elisa Mala e J. David Goodman, Norway attacks: At least 87 dead in shootings at youth conference, Oslo explosion, in The Washington Post, Oslo, 22 luglio 2011. URL consultato il 14 aprile 2014.
«...at least 80 people shot to death at a youth political conference outside Oslo after a massive explosion in the capital’s government district killed at least seven people, according to Norwegian police»
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