Não informado. (1950). British Journal of Delinquency. Institute for the Study and Treatment of Delinquency.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Delinquency. London: Institute for the Study and Treatment of Delinquency, 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Delinquency. Institute for the Study and Treatment of Delinquency, 1950.
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