«Des toxicomanes devant le Palais fédéral». Arxivat de l'[tt_news=1356&tx_ttnews[list]=1403%2C1399%2C1355%2C1356%2C1398%2C1402%2C1344%2C1359%2C1401%2C578&tx_ttnews[backPid]=209&cHash=23efd0c204c16b8df797b899badb7f8f original] el 2012-03-05. [Consulta: 6 maig 2021].
«Des toxicomanes devant le Palais fédéral». Arxivat de l'[tt_news=1356&tx_ttnews[list]=1403%2C1399%2C1355%2C1356%2C1398%2C1402%2C1344%2C1359%2C1401%2C578&tx_ttnews[backPid]=209&cHash=23efd0c204c16b8df797b899badb7f8f original] el 2012-03-05. [Consulta: 6 maig 2021].