RECKLESS, W. C. The crime problem#Walter C. Reckless. Appleton century Crofts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRECKLESS, Wolter C. The Crime Problem#Walter C. Reckless. Appleton century Crofts.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRECKLESS, Wolter C. The Crime Problem#Walter C. Reckless. Appleton century Crofts.
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